125744020523 has 4 divisors (see below), whose sum is σ = 137175295128. Its totient is φ = 114312745920.

The previous prime is 125744020483. The next prime is 125744020541. The reversal of 125744020523 is 325020447521.

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 125744020523 - 2³⁶ = 57024543787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125744020543) 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, 5715637286 + ... + 5715637307.

It is an arithmetic number, because the mean of its divisors is an integer number (34293823782).

Almost surely, 2^125744020523 is an apocalyptic number.

125744020523 is a deficient number, since it is larger than the sum of its proper divisors (11431274605).

125744020523 is a wasteful number, since it uses less digits than its factorization.

125744020523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431274604.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 125744020523 in words is "one hundred twenty-five billion, seven hundred forty-four million, twenty thousand, five hundred twenty-three".