125012747 has 8 divisors (see below), whose sum is σ = 133062912. Its totient is φ = 117040000.

The previous prime is 125012737. The next prime is 125012819. The reversal of 125012747 is 747210521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125012747 - 2⁶ = 125012683 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125012737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16004 + ... + 22497.

It is an arithmetic number, because the mean of its divisors is an integer number (16632864).

Almost surely, 2^125012747 is an apocalyptic number.

125012747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125012747 is a deficient number, since it is larger than the sum of its proper divisors (8050165).

125012747 is a wasteful number, since it uses less digits than its factorization.

125012747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38709.

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

The square root of 125012747 is about 11180.9099361367. The cubic root of 125012747 is about 500.0169954223.

The spelling of 125012747 in words is "one hundred twenty-five million, twelve thousand, seven hundred forty-seven".