125434791 has 8 divisors (see below), whose sum is σ = 185829360. Its totient is φ = 83623176.

The previous prime is 125434783. The next prime is 125434807. The reversal of 125434791 is 197434521.

It is not a de Polignac number, because 125434791 - 2³ = 125434783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125434781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322840 + ... + 2322893.

It is an arithmetic number, because the mean of its divisors is an integer number (23228670).

Almost surely, 2^125434791 is an apocalyptic number.

125434791 is a deficient number, since it is larger than the sum of its proper divisors (60394569).

125434791 is an equidigital number, since it uses as much as digits as its factorization.

125434791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645742 (or 4645736 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 125434791 is about 11199.7674529429. The cubic root of 125434791 is about 500.5790504756.

The spelling of 125434791 in words is "one hundred twenty-five million, four hundred thirty-four thousand, seven hundred ninety-one".