125746563 has 4 divisors (see below), whose sum is σ = 167662088. Its totient is φ = 83831040.

The previous prime is 125746561. The next prime is 125746567. The reversal of 125746563 is 365647521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125746563 - 2¹ = 125746561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125746561) 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, 20957758 + ... + 20957763.

It is an arithmetic number, because the mean of its divisors is an integer number (41915522).

Almost surely, 2^125746563 is an apocalyptic number.

125746563 is a deficient number, since it is larger than the sum of its proper divisors (41915525).

125746563 is an equidigital number, since it uses as much as digits as its factorization.

125746563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41915524.

The product of its digits is 151200, while the sum is 39.

The square root of 125746563 is about 11213.6774967002. The cubic root of 125746563 is about 500.9934421714.

The spelling of 125746563 in words is "one hundred twenty-five million, seven hundred forty-six thousand, five hundred sixty-three".