2124122656 has 24 divisors (see below), whose sum is σ = 4197783744. Its totient is φ = 1058018880.

The previous prime is 2124122639. The next prime is 2124122743. The reversal of 2124122656 is 6562214212.

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, 117780 + ... + 134611.

It is an arithmetic number, because the mean of its divisors is an integer number (174907656).

Almost surely, 2^2124122656 is an apocalyptic number.

It is an amenable number.

2124122656 is a deficient number, since it is larger than the sum of its proper divisors (2073661088).

2124122656 is a wasteful number, since it uses less digits than its factorization.

2124122656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252664 (or 252656 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 2124122656 is about 46088.2051722564. The cubic root of 2124122656 is about 1285.4638377597.

Adding to 2124122656 its reverse (6562214212), we get a palindrome (8686336868).

The spelling of 2124122656 in words is "two billion, one hundred twenty-four million, one hundred twenty-two thousand, six hundred fifty-six".