125891458 has 32 divisors (see below), whose sum is σ = 235969920. Its totient is φ = 48936960.

The previous prime is 125891453. The next prime is 125891461. The reversal of 125891458 is 854198521.

It is not an unprimeable number, because it can be changed into a prime (125891453) 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, 108610 + ... + 109762.

It is an arithmetic number, because the mean of its divisors is an integer number (7374060).

Almost surely, 2^125891458 is an apocalyptic number.

125891458 is a deficient number, since it is larger than the sum of its proper divisors (110078462).

125891458 is a wasteful number, since it uses less digits than its factorization.

125891458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 115200, while the sum is 43.

The square root of 125891458 is about 11220.1362736822. The cubic root of 125891458 is about 501.1857962182.

The spelling of 125891458 in words is "one hundred twenty-five million, eight hundred ninety-one thousand, four hundred fifty-eight".