125272307 has 4 divisors (see below), whose sum is σ = 126988440. Its totient is φ = 123556176.

The previous prime is 125272289. The next prime is 125272309. The reversal of 125272307 is 703272521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125272307 - 2⁶ = 125272243 is a prime.

It is a super-2 number, since 2×125272307² = 31386301802204498, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125272307.

It is not an unprimeable number, because it can be changed into a prime (125272309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857957 + ... + 858102.

It is an arithmetic number, because the mean of its divisors is an integer number (31747110).

Almost surely, 2^125272307 is an apocalyptic number.

125272307 is a deficient number, since it is larger than the sum of its proper divisors (1716133).

125272307 is an equidigital number, since it uses as much as digits as its factorization.

125272307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716132.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 125272307 is about 11192.5112016920. The cubic root of 125272307 is about 500.3628126703.

The spelling of 125272307 in words is "one hundred twenty-five million, two hundred seventy-two thousand, three hundred seven".