125410813 has 16 divisors (see below), whose sum is σ = 140368320. Its totient is φ = 112007280.

The previous prime is 125410783. The next prime is 125410823. The reversal of 125410813 is 318014521.

It is not a de Polignac number, because 125410813 - 2⁵ = 125410781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125410823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77731 + ... + 79327.

It is an arithmetic number, because the mean of its divisors is an integer number (8773020).

Almost surely, 2^125410813 is an apocalyptic number.

It is an amenable number.

125410813 is a deficient number, since it is larger than the sum of its proper divisors (14957507).

125410813 is an equidigital number, since it uses as much as digits as its factorization.

125410813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 125410813 is about 11198.6969331257. The cubic root of 125410813 is about 500.5471516983.

The spelling of 125410813 in words is "one hundred twenty-five million, four hundred ten thousand, eight hundred thirteen".