125247761528 has 16 divisors (see below), whose sum is σ = 248653644480. Its totient is φ = 58940123008.

The previous prime is 125247761521. The next prime is 125247761533. The reversal of 125247761528 is 825167742521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125247761521) 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, 460469576 + ... + 460469847.

It is an arithmetic number, because the mean of its divisors is an integer number (15540852780).

Almost surely, 2^125247761528 is an apocalyptic number.

It is an amenable number.

125247761528 is a deficient number, since it is larger than the sum of its proper divisors (123405882952).

125247761528 is a wasteful number, since it uses less digits than its factorization.

125247761528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920939446 (or 920939442 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 50.

The spelling of 125247761528 in words is "one hundred twenty-five billion, two hundred forty-seven million, seven hundred sixty-one thousand, five hundred twenty-eight".