125558489 has 8 divisors (see below), whose sum is σ = 143831808. Its totient is φ = 107369280.

The previous prime is 125558473. The next prime is 125558491. The reversal of 125558489 is 984855521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125558489 - 2⁴ = 125558473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125558189) 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, 17792 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (17978976).

Almost surely, 2^125558489 is an apocalyptic number.

It is an amenable number.

125558489 is a deficient number, since it is larger than the sum of its proper divisors (18273319).

125558489 is an equidigital number, since it uses as much as digits as its factorization.

125558489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42055.

The product of its digits is 576000, while the sum is 47.

The square root of 125558489 is about 11205.2884389470. The cubic root of 125558489 is about 500.7435457314.

The spelling of 125558489 in words is "one hundred twenty-five million, five hundred fifty-eight thousand, four hundred eighty-nine".