121525052124 has 24 divisors (see below), whose sum is σ = 324066805888. Its totient is φ = 34721443440.

The previous prime is 121525052113. The next prime is 121525052147. The reversal of 121525052124 is 421250525121.

It is a super-2 number, since 2×121525052124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121525052091 and 121525052100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723363322 + ... + 723363489.

Almost surely, 2^121525052124 is an apocalyptic number.

121525052124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121525052124 is an abundant number, since it is smaller than the sum of its proper divisors (202541753764).

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

121525052124 is a wasteful number, since it uses less digits than its factorization.

121525052124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446726825 (or 1446726823 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 121525052124 its reverse (421250525121), we get a palindrome (542775577245).

The spelling of 121525052124 in words is "one hundred twenty-one billion, five hundred twenty-five million, fifty-two thousand, one hundred twenty-four".