125059489 has 9 divisors (see below), whose sum is σ = 128070579. Its totient is φ = 122118360.

The previous prime is 125059483. The next prime is 125059499. The reversal of 125059489 is 984950521.

The square root of 125059489 is 11183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 90155025 + 34904464 = 9495^2 + 5908^2 .

It is not a de Polignac number, because 125059489 - 2⁵ = 125059457 is a prime.

It is a super-2 number, since 2×125059489² = 31279751577882242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125059483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 592594 + ... + 592804.

Almost surely, 2^125059489 is an apocalyptic number.

125059489 is the 11183-rd square number.

125059489 is the 5592-nd centered octagonal number.

It is an amenable number.

125059489 is a deficient number, since it is larger than the sum of its proper divisors (3011090).

125059489 is an frugal number, since it uses more digits than its factorization.

125059489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The cubic root of 125059489 is about 500.0793060871.

Multiplying 125059489 by its product of nonzero digits (129600), we get a square (16207709774400 = 4025880²).

The spelling of 125059489 in words is "one hundred twenty-five million, fifty-nine thousand, four hundred eighty-nine".