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121038450 = 23521362071
BaseRepresentation
bin1110011011011…
…10011001110010
322102202101112120
413031232121302
5221441212300
620002135110
72666544531
oct715563162
9272671476
10121038450
1162360a85
1234651496
131c0cb7b0
141210a318
15a95d3a0
hex736e672

121038450 has 48 divisors (see below), whose sum is σ = 323270976. Its totient is φ = 29793600.

The previous prime is 121038439. The next prime is 121038451. The reversal of 121038450 is 54830121.

It is a self number, because there is not a number n which added to its sum of digits gives 121038450.

It is not an unprimeable number, because it can be changed into a prime (121038451) 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, 29086 + ... + 32985.

It is an arithmetic number, because the mean of its divisors is an integer number (6734812).

Almost surely, 2121038450 is an apocalyptic number.

121038450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121038450 is an abundant number, since it is smaller than the sum of its proper divisors (202232526).

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

121038450 is a wasteful number, since it uses less digits than its factorization.

121038450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62099 (or 62094 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 121038450 is about 11001.7475884516. The cubic root of 121038450 is about 494.6611291518.

Adding to 121038450 its reverse (54830121), we get a palindrome (175868571).

The spelling of 121038450 in words is "one hundred twenty-one million, thirty-eight thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 62071 124142 186213 310355 372426 620710 806923 931065 1551775 1613846 1862130 2420769 3103550 4034615 4655325 4841538 8069230 9310650 12103845 20173075 24207690 40346150 60519225 121038450