125306747 has 4 divisors (see below), whose sum is σ = 127972896. Its totient is φ = 122640600.

The previous prime is 125306669. The next prime is 125306759. The reversal of 125306747 is 747603521.

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 125306747 - 2¹⁸ = 125044603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125306647) 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, 1333004 + ... + 1333097.

It is an arithmetic number, because the mean of its divisors is an integer number (31993224).

Almost surely, 2^125306747 is an apocalyptic number.

125306747 is a deficient number, since it is larger than the sum of its proper divisors (2666149).

125306747 is an equidigital number, since it uses as much as digits as its factorization.

125306747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666148.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 125306747 is about 11194.0496246890. The cubic root of 125306747 is about 500.4086618999.

The spelling of 125306747 in words is "one hundred twenty-five million, three hundred six thousand, seven hundred forty-seven".