125044531 has 4 divisors (see below), whose sum is σ = 125148832. Its totient is φ = 124940232.

The previous prime is 125044519. The next prime is 125044553. The reversal of 125044531 is 135440521.

It is a happy number.

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 125044531 - 2⁵ = 125044499 is a prime.

It is a super-2 number, since 2×125044531² = 31272269466019922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125044496 and 125044505.

It is not an unprimeable number, because it can be changed into a prime (125044511) 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, 50331 + ... + 52756.

It is an arithmetic number, because the mean of its divisors is an integer number (31287208).

Almost surely, 2^125044531 is an apocalyptic number.

125044531 is a deficient number, since it is larger than the sum of its proper divisors (104301).

125044531 is a wasteful number, since it uses less digits than its factorization.

125044531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104300.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 125044531 is about 11182.3311970269. The cubic root of 125044531 is about 500.0593676174.

The spelling of 125044531 in words is "one hundred twenty-five million, forty-four thousand, five hundred thirty-one".