125002751400 has 72 divisors (see below), whose sum is σ = 419800912830. Its totient is φ = 33334066560.

The previous prime is 125002751399. The next prime is 125002751449. The reversal of 125002751400 is 4157200521.

125002751400 is a `hidden beast` number, since 1 + 250 + 0 + 2 + 7 + 5 + 1 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 93206868804 + 31795882596 = 305298^2 + 178314^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34721187 + ... + 34724786.

Almost surely, 2^125002751400 is an apocalyptic number.

125002751400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125002751400 is an abundant number, since it is smaller than the sum of its proper divisors (294798161430).

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

125002751400 is a wasteful number, since it uses less digits than its factorization.

125002751400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69445995 (or 69445983 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 125002751400 its reverse (4157200521), we get a palindrome (129159951921).

The spelling of 125002751400 in words is "one hundred twenty-five billion, two million, seven hundred fifty-one thousand, four hundred".