121315504 has 10 divisors (see below), whose sum is σ = 235048820. Its totient is φ = 60657744.

The previous prime is 121315487. The next prime is 121315511. The reversal of 121315504 is 405513121.

It is a happy number.

It is a super-3 number, since 3×121315504³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3791094 + ... + 3791125.

It is an arithmetic number, because the mean of its divisors is an integer number (23504882).

Almost surely, 2^121315504 is an apocalyptic number.

It is an amenable number.

121315504 is a deficient number, since it is larger than the sum of its proper divisors (113733316).

121315504 is an equidigital number, since it uses as much as digits as its factorization.

121315504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582227 (or 7582221 counting only the distinct ones).

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

The square root of 121315504 is about 11014.3317545823. The cubic root of 121315504 is about 495.0382638856.

Adding to 121315504 its reverse (405513121), we get a palindrome (526828625).

The spelling of 121315504 in words is "one hundred twenty-one million, three hundred fifteen thousand, five hundred four".