121235125 has 32 divisors (see below), whose sum is σ = 169588224. Its totient is φ = 85752000.

The previous prime is 121235111. The next prime is 121235171. The reversal of 121235125 is 521532121.

It is not a de Polignac number, because 121235125 - 2²⁵ = 87680693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121235096 and 121235105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49684 + ... + 52066.

It is an arithmetic number, because the mean of its divisors is an integer number (5299632).

Almost surely, 2^121235125 is an apocalyptic number.

It is an amenable number.

121235125 is a deficient number, since it is larger than the sum of its proper divisors (48353099).

121235125 is a wasteful number, since it uses less digits than its factorization.

121235125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2436 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 121235125 is about 11010.6823130994. The cubic root of 121235125 is about 494.9289086082.

Adding to 121235125 its reverse (521532121), we get a palindrome (642767246).

The spelling of 121235125 in words is "one hundred twenty-one million, two hundred thirty-five thousand, one hundred twenty-five".