125047172 has 24 divisors (see below), whose sum is σ = 232265880. Its totient is φ = 58703360.

The previous prime is 125047157. The next prime is 125047187. The reversal of 125047172 is 271740521.

It is an interprime number because it is at equal distance from previous prime (125047157) and next prime (125047187).

It can be written as a sum of positive squares in 4 ways, for example, as 22146436 + 102900736 = 4706^2 + 10144^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29354 + ... + 33342.

It is an arithmetic number, because the mean of its divisors is an integer number (9677745).

Almost surely, 2^125047172 is an apocalyptic number.

It is an amenable number.

125047172 is a deficient number, since it is larger than the sum of its proper divisors (107218708).

125047172 is a wasteful number, since it uses less digits than its factorization.

125047172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471 (or 4469 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 125047172 is about 11182.4492844815. The cubic root of 125047172 is about 500.0628880898.

Adding to 125047172 its reverse (271740521), we get a palindrome (396787693).

The spelling of 125047172 in words is "one hundred twenty-five million, forty-seven thousand, one hundred seventy-two".