125043775 has 12 divisors (see below), whose sum is σ = 157370632. Its totient is φ = 98540640.

The previous prime is 125043773. The next prime is 125043781. The reversal of 125043775 is 577340521.

It is not a de Polignac number, because 125043775 - 2¹ = 125043773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125043775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35652 + ... + 39001.

Almost surely, 2^125043775 is an apocalyptic number.

125043775 is a deficient number, since it is larger than the sum of its proper divisors (32326857).

125043775 is an equidigital number, since it uses as much as digits as its factorization.

125043775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74730 (or 74725 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 125043775 is about 11182.2973936486. The cubic root of 125043775 is about 500.0583598547.

The spelling of 125043775 in words is "one hundred twenty-five million, forty-three thousand, seven hundred seventy-five".