125400400375 has 32 divisors (see below), whose sum is σ = 160062739200. Its totient is φ = 98042560000.

The previous prime is 125400400369. The next prime is 125400400421. The reversal of 125400400375 is 573004004521.

It is not a de Polignac number, because 125400400375 - 2⁵ = 125400400343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4103151 + ... + 4133599.

It is an arithmetic number, because the mean of its divisors is an integer number (5001960600).

Almost surely, 2^125400400375 is an apocalyptic number.

125400400375 is a deficient number, since it is larger than the sum of its proper divisors (34662338825).

125400400375 is an equidigital number, since it uses as much as digits as its factorization.

125400400375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31212 (or 31202 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 125400400375 its reverse (573004004521), we get a palindrome (698404404896).

The spelling of 125400400375 in words is "one hundred twenty-five billion, four hundred million, four hundred thousand, three hundred seventy-five".