122804638 has 16 divisors (see below), whose sum is σ = 211530240. Its totient is φ = 52882200.

The previous prime is 122804629. The next prime is 122804639. The reversal of 122804638 is 836408221.

It is a super-2 number, since 2×122804638² = 30161958228622088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122804639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146478 + ... + 147313.

It is an arithmetic number, because the mean of its divisors is an integer number (13220640).

Almost surely, 2^122804638 is an apocalyptic number.

122804638 is a deficient number, since it is larger than the sum of its proper divisors (88725602).

122804638 is a wasteful number, since it uses less digits than its factorization.

122804638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293823.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 122804638 is about 11081.7254071737. The cubic root of 122804638 is about 497.0555450742.

The spelling of 122804638 in words is "one hundred twenty-two million, eight hundred four thousand, six hundred thirty-eight".