121952512 has 108 divisors (see below), whose sum is σ = 278376448. Its totient is φ = 53222400.

The previous prime is 121952497. The next prime is 121952513. The reversal of 121952512 is 215259121.

It is a super-2 number, since 2×121952512² = 29744830366220288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121952513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960193 + ... + 960319.

Almost surely, 2^121952512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121952512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139188224).

121952512 is an abundant number, since it is smaller than the sum of its proper divisors (156423936).

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

121952512 is a wasteful number, since it uses less digits than its factorization.

121952512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 171 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 121952512 is about 11043.2111272039. The cubic root of 121952512 is about 495.9032069188.

The spelling of 121952512 in words is "one hundred twenty-one million, nine hundred fifty-two thousand, five hundred twelve".