125031275 has 6 divisors (see below), whose sum is σ = 155038812. Its totient is φ = 100025000.

The previous prime is 125031239. The next prime is 125031281. The reversal of 125031275 is 572130521.

It is not a de Polignac number, because 125031275 - 2⁶ = 125031211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500601 + ... + 2500650.

It is an arithmetic number, because the mean of its divisors is an integer number (25839802).

Almost surely, 2^125031275 is an apocalyptic number.

125031275 is a deficient number, since it is larger than the sum of its proper divisors (30007537).

125031275 is an equidigital number, since it uses as much as digits as its factorization.

125031275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001261 (or 5001256 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 125031275 is about 11181.7384605436. The cubic root of 125031275 is about 500.0416965227.

Adding to 125031275 its reverse (572130521), we get a palindrome (697161796).

The spelling of 125031275 in words is "one hundred twenty-five million, thirty-one thousand, two hundred seventy-five".