125407633 has 6 divisors (see below), whose sum is σ = 135796614. Its totient is φ = 115760736.

The previous prime is 125407631. The next prime is 125407637. The reversal of 125407633 is 336704521.

It can be written as a sum of positive squares in 3 ways, for example, as 14379264 + 111028369 = 3792^2 + 10537^2 .

It is not a de Polignac number, because 125407633 - 2¹ = 125407631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125407595 and 125407604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125407631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370860 + ... + 371197.

It is an arithmetic number, because the mean of its divisors is an integer number (22632769).

Almost surely, 2^125407633 is an apocalyptic number.

125407633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125407633 is a deficient number, since it is larger than the sum of its proper divisors (10388981).

125407633 is an equidigital number, since it uses as much as digits as its factorization.

125407633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742083 (or 742070 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 125407633 is about 11198.5549514212. The cubic root of 125407633 is about 500.5429209270.

The spelling of 125407633 in words is "one hundred twenty-five million, four hundred seven thousand, six hundred thirty-three".