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121054338 = 235833001
BaseRepresentation
bin1110011011100…
…10010010000010
322102210012100000
413031302102002
5221442214323
620002340430
72666642046
oct715622202
9272705300
10121054338
1162371a09
123465a716
131c105ab2
1412112026
15a962e43
hex7372482

121054338 has 48 divisors (see below), whose sum is σ = 275367456. Its totient is φ = 39852000.

The previous prime is 121054337. The next prime is 121054363. The reversal of 121054338 is 833450121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121054337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38838 + ... + 41838.

It is an arithmetic number, because the mean of its divisors is an integer number (5736822).

Almost surely, 2121054338 is an apocalyptic number.

121054338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121054338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137683728).

121054338 is an abundant number, since it is smaller than the sum of its proper divisors (154313118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121054338 is an equidigital number, since it uses as much as digits as its factorization.

121054338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 121054338 is about 11002.4696318599. The cubic root of 121054338 is about 494.6827719498.

The spelling of 121054338 in words is "one hundred twenty-one million, fifty-four thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 83 162 166 243 249 486 498 747 1494 2241 3001 4482 6002 6723 9003 13446 18006 20169 27009 40338 54018 81027 162054 243081 249083 486162 498166 729243 747249 1458486 1494498 2241747 4483494 6725241 13450482 20175723 40351446 60527169 121054338