556138124 has 12 divisors (see below), whose sum is σ = 974350104. Its totient is φ = 277752384.

The previous prime is 556138103. The next prime is 556138181. The reversal of 556138124 is 421831655.

556138124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×556138124² = 618579225932478752, which contains 22 as substring.

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, 75197 + ... + 82260.

It is an arithmetic number, because the mean of its divisors is an integer number (81195842).

Almost surely, 2^556138124 is an apocalyptic number.

It is an amenable number.

556138124 is a deficient number, since it is larger than the sum of its proper divisors (418211980).

556138124 is a wasteful number, since it uses less digits than its factorization.

556138124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158344 (or 158342 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 556138124 is about 23582.5809444174. The cubic root of 556138124 is about 822.3579385286.

Adding to 556138124 its reverse (421831655), we get a palindrome (977969779).

The spelling of 556138124 in words is "five hundred fifty-six million, one hundred thirty-eight thousand, one hundred twenty-four".