2125242668 has 12 divisors (see below), whose sum is σ = 3741446352. Its totient is φ = 1056258000.

The previous prime is 2125242661. The next prime is 2125242671. The reversal of 2125242668 is 8662425212.

It is not an unprimeable number, because it can be changed into a prime (2125242661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590083 + ... + 1591418.

It is an arithmetic number, because the mean of its divisors is an integer number (311787196).

Almost surely, 2^2125242668 is an apocalyptic number.

It is an amenable number.

2125242668 is a deficient number, since it is larger than the sum of its proper divisors (1616203684).

2125242668 is a wasteful number, since it uses less digits than its factorization.

2125242668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181672 (or 3181670 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 2125242668 is about 46100.3543153412. The cubic root of 2125242668 is about 1285.6897321143.

The spelling of 2125242668 in words is "two billion, one hundred twenty-five million, two hundred forty-two thousand, six hundred sixty-eight".