125121059 has 6 divisors (see below), whose sum is σ = 145549044. Its totient is φ = 107246580.

The previous prime is 125121019. The next prime is 125121067. The reversal of 125121059 is 950121521.

It is not a de Polignac number, because 125121059 - 2²⁴ = 108343843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125121019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276697 + ... + 1276794.

It is an arithmetic number, because the mean of its divisors is an integer number (24258174).

Almost surely, 2^125121059 is an apocalyptic number.

125121059 is a deficient number, since it is larger than the sum of its proper divisors (20427985).

125121059 is an equidigital number, since it uses as much as digits as its factorization.

125121059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553505 (or 2553498 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 125121059 is about 11185.7525003908. The cubic root of 125121059 is about 500.1613599204.

The spelling of 125121059 in words is "one hundred twenty-five million, one hundred twenty-one thousand, fifty-nine".