125044705 has 4 divisors (see below), whose sum is σ = 150053652. Its totient is φ = 100035760.

The previous prime is 125044697. The next prime is 125044709. The reversal of 125044705 is 507440521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71520849 + 53523856 = 8457^2 + 7316^2 .

It is not a de Polignac number, because 125044705 - 2³ = 125044697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125044709) 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, 12504466 + ... + 12504475.

It is an arithmetic number, because the mean of its divisors is an integer number (37513413).

Almost surely, 2^125044705 is an apocalyptic number.

It is an amenable number.

125044705 is a deficient number, since it is larger than the sum of its proper divisors (25008947).

125044705 is an equidigital number, since it uses as much as digits as its factorization.

125044705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008946.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 125044705 is about 11182.3389771550. The cubic root of 125044705 is about 500.0595995622.

The spelling of 125044705 in words is "one hundred twenty-five million, forty-four thousand, seven hundred five".