2124621970 has 16 divisors (see below), whose sum is σ = 3826657368. Its totient is φ = 849329280.

The previous prime is 2124621923. The next prime is 2124621977. The reversal of 2124621970 is 791264212.

It can be written as a sum of positive squares in 4 ways, for example, as 1520298081 + 604323889 = 38991^2 + 24583^2 .

It is not an unprimeable number, because it can be changed into a prime (2124621977) 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, 47541 + ... + 80680.

Almost surely, 2^2124621970 is an apocalyptic number.

2124621970 is a deficient number, since it is larger than the sum of its proper divisors (1702035398).

2124621970 is a wasteful number, since it uses less digits than its factorization.

2124621970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129885.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2124621970 is about 46093.6217930420. The cubic root of 2124621970 is about 1285.5645538213.

The spelling of 2124621970 in words is "two billion, one hundred twenty-four million, six hundred twenty-one thousand, nine hundred seventy".