726122125 has 8 divisors (see below), whose sum is σ = 906200568. Its totient is φ = 580897600.

The previous prime is 726122113. The next prime is 726122141. The reversal of 726122125 is 521221627.

It can be written as a sum of positive squares in 4 ways, for example, as 38266596 + 687855529 = 6186^2 + 26227^2 .

It is not a de Polignac number, because 726122125 - 2⁵ = 726122093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726122093 and 726122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904364 + ... + 2904613.

It is an arithmetic number, because the mean of its divisors is an integer number (113275071).

Almost surely, 2^726122125 is an apocalyptic number.

It is an amenable number.

726122125 is a deficient number, since it is larger than the sum of its proper divisors (180078443).

726122125 is an equidigital number, since it uses as much as digits as its factorization.

726122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808992 (or 5808982 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 726122125 is about 26946.6533172489. The cubic root of 726122125 is about 898.8141274381.

The spelling of 726122125 in words is "seven hundred twenty-six million, one hundred twenty-two thousand, one hundred twenty-five".