125753605 has 4 divisors (see below), whose sum is σ = 150904332. Its totient is φ = 100602880.

The previous prime is 125753587. The next prime is 125753633. The reversal of 125753605 is 506357521.

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 58890276 + 66863329 = 7674^2 + 8177^2 .

It is not a de Polignac number, because 125753605 - 2⁷ = 125753477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575356 + ... + 12575365.

It is an arithmetic number, because the mean of its divisors is an integer number (37726083).

Almost surely, 2^125753605 is an apocalyptic number.

It is an amenable number.

125753605 is a deficient number, since it is larger than the sum of its proper divisors (25150727).

125753605 is an equidigital number, since it uses as much as digits as its factorization.

125753605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150726.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 125753605 is about 11213.9914838562. The cubic root of 125753605 is about 501.0027941300.

The spelling of 125753605 in words is "one hundred twenty-five million, seven hundred fifty-three thousand, six hundred five".