125444091 has 4 divisors (see below), whose sum is σ = 167258792. Its totient is φ = 83629392.

The previous prime is 125444087. The next prime is 125444101. The reversal of 125444091 is 190444521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125444091 - 2² = 125444087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125444491) 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, 20907346 + ... + 20907351.

It is an arithmetic number, because the mean of its divisors is an integer number (41814698).

Almost surely, 2^125444091 is an apocalyptic number.

125444091 is a deficient number, since it is larger than the sum of its proper divisors (41814701).

125444091 is an equidigital number, since it uses as much as digits as its factorization.

125444091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41814700.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 125444091 is about 11200.1826324395. The cubic root of 125444091 is about 500.5914214987.

The spelling of 125444091 in words is "one hundred twenty-five million, four hundred forty-four thousand, ninety-one".