121604524 has 12 divisors (see below), whose sum is σ = 217998648. Its totient is φ = 59319200.

The previous prime is 121604521. The next prime is 121604551. The reversal of 121604524 is 425406121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121604521) 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, 370582 + ... + 370909.

It is an arithmetic number, because the mean of its divisors is an integer number (18166554).

Almost surely, 2^121604524 is an apocalyptic number.

It is an amenable number.

121604524 is a deficient number, since it is larger than the sum of its proper divisors (96394124).

121604524 is a wasteful number, since it uses less digits than its factorization.

121604524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741536 (or 741534 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 121604524 is about 11027.4441281740. Note that the first 3 decimals coincide. The cubic root of 121604524 is about 495.4310756969.

The spelling of 121604524 in words is "one hundred twenty-one million, six hundred four thousand, five hundred twenty-four".