125913835 has 4 divisors (see below), whose sum is σ = 151096608. Its totient is φ = 100731064.

The previous prime is 125913811. The next prime is 125913839. The reversal of 125913835 is 538319521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538319521 = 181 ⋅2974141.

It is a cyclic number.

It is not a de Polignac number, because 125913835 - 2⁵ = 125913803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125913794 and 125913803.

It is not an unprimeable number, because it can be changed into a prime (125913839) 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, 12591379 + ... + 12591388.

It is an arithmetic number, because the mean of its divisors is an integer number (37774152).

Almost surely, 2^125913835 is an apocalyptic number.

125913835 is a deficient number, since it is larger than the sum of its proper divisors (25182773).

125913835 is an equidigital number, since it uses as much as digits as its factorization.

125913835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25182772.

The product of its digits is 32400, while the sum is 37.

The square root of 125913835 is about 11221.1334097764. The cubic root of 125913835 is about 501.2154894431.

The spelling of 125913835 in words is "one hundred twenty-five million, nine hundred thirteen thousand, eight hundred thirty-five".