122401604 has 12 divisors (see below), whose sum is σ = 230680044. Its totient is φ = 56493024.

The previous prime is 122401589. The next prime is 122401613. The reversal of 122401604 is 406104221.

It can be written as a sum of positive squares in 2 ways, for example, as 64032004 + 58369600 = 8002^2 + 7640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176887 + ... + 1176990.

It is an arithmetic number, because the mean of its divisors is an integer number (19223337).

Almost surely, 2^122401604 is an apocalyptic number.

It is an amenable number.

122401604 is a deficient number, since it is larger than the sum of its proper divisors (108278440).

122401604 is a wasteful number, since it uses less digits than its factorization.

122401604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353894 (or 2353892 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 122401604 is about 11063.5258394420. The cubic root of 122401604 is about 496.5111849596.

Adding to 122401604 its reverse (406104221), we get a palindrome (528505825).

The spelling of 122401604 in words is "one hundred twenty-two million, four hundred one thousand, six hundred four".