121020604 has 6 divisors (see below), whose sum is σ = 211786064. Its totient is φ = 60510300.

The previous prime is 121020587. The next prime is 121020607. The reversal of 121020604 is 406020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127572 + ... + 15127579.

Almost surely, 2^121020604 is an apocalyptic number.

It is an amenable number.

121020604 is a deficient number, since it is larger than the sum of its proper divisors (90765460).

121020604 is a wasteful number, since it uses less digits than its factorization.

121020604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255155 (or 30255153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121020604 is about 11000.9365055890. The cubic root of 121020604 is about 494.6368168874.

Adding to 121020604 its reverse (406020121), we get a palindrome (527040725).

The spelling of 121020604 in words is "one hundred twenty-one million, twenty thousand, six hundred four".