125745823 has 16 divisors (see below), whose sum is σ = 145474560. Its totient is φ = 106468416.

The previous prime is 125745797. The next prime is 125745859. The reversal of 125745823 is 328547521.

It is a cyclic number.

It is not a de Polignac number, because 125745823 - 2⁵ = 125745791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125742823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307243 + ... + 307651.

It is an arithmetic number, because the mean of its divisors is an integer number (9092160).

Almost surely, 2^125745823 is an apocalyptic number.

125745823 is a deficient number, since it is larger than the sum of its proper divisors (19728737).

125745823 is a wasteful number, since it uses less digits than its factorization.

125745823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its digits is 67200, while the sum is 37.

The square root of 125745823 is about 11213.6445012315. The cubic root of 125745823 is about 500.9924594119.

The spelling of 125745823 in words is "one hundred twenty-five million, seven hundred forty-five thousand, eight hundred twenty-three".