122820604 has 24 divisors (see below), whose sum is σ = 217834848. Its totient is φ = 60587520.

The previous prime is 122820571. The next prime is 122820613. The reversal of 122820604 is 406028221.

It is a happy number.

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, 126529 + ... + 127495.

It is an arithmetic number, because the mean of its divisors is an integer number (9076452).

Almost surely, 2^122820604 is an apocalyptic number.

It is an amenable number.

122820604 is a deficient number, since it is larger than the sum of its proper divisors (95014244).

122820604 is a wasteful number, since it uses less digits than its factorization.

122820604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 122820604 is about 11082.4457589469. The cubic root of 122820604 is about 497.0770850993.

Adding to 122820604 its reverse (406028221), we get a palindrome (528848825).

The spelling of 122820604 in words is "one hundred twenty-two million, eight hundred twenty thousand, six hundred four".