125491232747 has 2 divisors, whose sum is σ = 125491232748. Its totient is φ = 125491232746.

The previous prime is 125491232707. The next prime is 125491232819. The reversal of 125491232747 is 747232194521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125491232747 - 2²⁸ = 125222797291 is a prime.

It is not a weakly prime, because it can be changed into another prime (125491232707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62745616373 + 62745616374.

It is an arithmetic number, because the mean of its divisors is an integer number (62745616374).

Almost surely, 2^125491232747 is an apocalyptic number.

125491232747 is a deficient number, since it is larger than the sum of its proper divisors (1).

125491232747 is an equidigital number, since it uses as much as digits as its factorization.

125491232747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The spelling of 125491232747 in words is "one hundred twenty-five billion, four hundred ninety-one million, two hundred thirty-two thousand, seven hundred forty-seven".