122728604 has 12 divisors (see below), whose sum is σ = 214977504. Its totient is φ = 61306464.

The previous prime is 122728603. The next prime is 122728637. The reversal of 122728604 is 406827221.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122728601) 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, 9497 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (17914792).

Almost surely, 2^122728604 is an apocalyptic number.

It is an amenable number.

122728604 is a deficient number, since it is larger than the sum of its proper divisors (92248900).

122728604 is a wasteful number, since it uses less digits than its factorization.

122728604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28924 (or 28922 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 122728604 is about 11078.2942730368. The cubic root of 122728604 is about 496.9529405786.

The spelling of 122728604 in words is "one hundred twenty-two million, seven hundred twenty-eight thousand, six hundred four".