125450192868 has 96 divisors (see below), whose sum is σ = 393018823680. Its totient is φ = 30077965440.

The previous prime is 125450192867. The next prime is 125450192869. The reversal of 125450192868 is 868291054521.

It is an interprime number because it is at equal distance from previous prime (125450192867) and next prime (125450192869).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125450192868.

It is not an unprimeable number, because it can be changed into a prime (125450192867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5209858 + ... + 5233881.

It is an arithmetic number, because the mean of its divisors is an integer number (4093946080).

Almost surely, 2^125450192868 is an apocalyptic number.

It is an amenable number.

125450192868 is an abundant number, since it is smaller than the sum of its proper divisors (267568630812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125450192868 is a wasteful number, since it uses less digits than its factorization.

125450192868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443777 (or 10443775 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 125450192868 in words is "one hundred twenty-five billion, four hundred fifty million, one hundred ninety-two thousand, eight hundred sixty-eight".