123102604 has 6 divisors (see below), whose sum is σ = 215429564. Its totient is φ = 61551300.

The previous prime is 123102557. The next prime is 123102607. The reversal of 123102604 is 406201321.

It is a super-2 number, since 2×123102604² = 30308502223161632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123102607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15387822 + ... + 15387829.

Almost surely, 2^123102604 is an apocalyptic number.

It is an amenable number.

123102604 is a deficient number, since it is larger than the sum of its proper divisors (92326960).

123102604 is a wasteful number, since it uses less digits than its factorization.

123102604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775655 (or 30775653 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123102604 is about 11095.1612876965. The cubic root of 123102604 is about 497.4572292212.

Adding to 123102604 its reverse (406201321), we get a palindrome (529303925).

The spelling of 123102604 in words is "one hundred twenty-three million, one hundred two thousand, six hundred four".