121265504 has 24 divisors (see below), whose sum is σ = 244296360. Its totient is φ = 59222016.

The previous prime is 121265489. The next prime is 121265509. The reversal of 121265504 is 405562121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121265509) 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, 42689 + ... + 45440.

It is an arithmetic number, because the mean of its divisors is an integer number (10179015).

Almost surely, 2^121265504 is an apocalyptic number.

It is an amenable number.

121265504 is an abundant number, since it is smaller than the sum of its proper divisors (123030856).

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

121265504 is an equidigital number, since it uses as much as digits as its factorization.

121265504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88182 (or 88174 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 121265504 is about 11012.0617506442. The cubic root of 121265504 is about 494.9702447849.

The spelling of 121265504 in words is "one hundred twenty-one million, two hundred sixty-five thousand, five hundred four".