125012275 has 6 divisors (see below), whose sum is σ = 155015252. Its totient is φ = 100009800.

The previous prime is 125012249. The next prime is 125012287. The reversal of 125012275 is 572210521.

It is not a de Polignac number, because 125012275 - 2¹¹ = 125010227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5000491 = 125012275 / (1 + 2 + 5 + 0 + 1 + 2 + 2 + 7 + 5).

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, 2500221 + ... + 2500270.

Almost surely, 2^125012275 is an apocalyptic number.

125012275 is a deficient number, since it is larger than the sum of its proper divisors (30002977).

125012275 is an equidigital number, since it uses as much as digits as its factorization.

125012275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000501 (or 5000496 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125012275 is about 11180.8888287112. Note that the first 4 decimals coincide. The cubic root of 125012275 is about 500.0163661310.

Adding to 125012275 its reverse (572210521), we get a palindrome (697222796).

The spelling of 125012275 in words is "one hundred twenty-five million, twelve thousand, two hundred seventy-five".