121320604 has 24 divisors (see below), whose sum is σ = 217356048. Its totient is φ = 59230080.

The previous prime is 121320593. The next prime is 121320623. The reversal of 121320604 is 406023121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46864 + ... + 49384.

It is an arithmetic number, because the mean of its divisors is an integer number (9056502).

Almost surely, 2^121320604 is an apocalyptic number.

It is an amenable number.

121320604 is a deficient number, since it is larger than the sum of its proper divisors (96035444).

121320604 is a wasteful number, since it uses less digits than its factorization.

121320604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121320604 is about 11014.5632686911. The cubic root of 121320604 is about 495.0452007834.

Adding to 121320604 its reverse (406023121), we get a palindrome (527343725).

The spelling of 121320604 in words is "one hundred twenty-one million, three hundred twenty thousand, six hundred four".