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121120122 = 2320186687
BaseRepresentation
bin1110011100000…
…10010101111010
322102220112120110
413032002111322
5222001320442
620004005150
73000334614
oct716022572
9272815513
10121120122
1162407382
12346907b6
131c129a16
141212bdb4
15a97769c
hex738257a

121120122 has 8 divisors (see below), whose sum is σ = 242240256. Its totient is φ = 40373372.

The previous prime is 121120099. The next prime is 121120123. The reversal of 121120122 is 221021121.

It is a sphenic number, since it is the product of 3 distinct primes.

121120122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 121120098 and 121120107.

It is not an unprimeable number, because it can be changed into a prime (121120123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10093338 + ... + 10093349.

It is an arithmetic number, because the mean of its divisors is an integer number (30280032).

Almost surely, 2121120122 is an apocalyptic number.

121120122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121120122 is a wasteful number, since it uses less digits than its factorization.

121120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186692.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121120122 is about 11005.4587364635. The cubic root of 121120122 is about 494.7723634479.

Adding to 121120122 its reverse (221021121), we get a palindrome (342141243).

Subtracting 121120122 from its reverse (221021121), we obtain a palindrome (99900999).

The spelling of 121120122 in words is "one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 20186687 40373374 60560061 121120122