125920475 has 12 divisors (see below), whose sum is σ = 157337400. Its totient is φ = 99964800.

The previous prime is 125920463. The next prime is 125920477. The reversal of 125920475 is 574029521.

It is a de Polignac number, because none of the positive numbers 2^k-125920475 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125920477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15950 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (13111450).

Almost surely, 2^125920475 is an apocalyptic number.

125920475 is a deficient number, since it is larger than the sum of its proper divisors (31416925).

125920475 is a wasteful number, since it uses less digits than its factorization.

125920475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38590 (or 38585 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 125920475 is about 11221.4292761662. The cubic root of 125920475 is about 501.2242997335.

Adding to 125920475 its reverse (574029521), we get a palindrome (699949996).

The spelling of 125920475 in words is "one hundred twenty-five million, nine hundred twenty thousand, four hundred seventy-five".