125125126 has 24 divisors (see below), whose sum is σ = 220282200. Its totient is φ = 53145792.

The previous prime is 125125109. The next prime is 125125199. The reversal of 125125126 is 621521521.

It is a self number, because there is not a number n which added to its sum of digits gives 125125126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425 + ... + 16723.

It is an arithmetic number, because the mean of its divisors is an integer number (9178425).

Almost surely, 2^125125126 is an apocalyptic number.

125125126 is a deficient number, since it is larger than the sum of its proper divisors (95157074).

125125126 is a wasteful number, since it uses less digits than its factorization.

125125126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11428 (or 11421 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 125125126 is about 11185.9342926731. The cubic root of 125125126 is about 500.1667790300.

Adding to 125125126 its reverse (621521521), we get a palindrome (746646647).

The spelling of 125125126 in words is "one hundred twenty-five million, one hundred twenty-five thousand, one hundred twenty-six".