124189284025 has 9 divisors (see below), whose sum is σ = 153996897133. Its totient is φ = 99350017600.

The previous prime is 124189284013. The next prime is 124189284041. The reversal of 124189284025 is 520482981421.

It is a happy number.

The square root of 124189284025 is 352405.

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

It can be written as a sum of positive squares in 4 ways, for example, as 30971424169 + 93217859856 = 175987^2 + 305316^2 .

It is not a de Polignac number, because 124189284025 - 2⁵ = 124189283993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1726785 + ... + 1797265.

Almost surely, 2^124189284025 is an apocalyptic number.

124189284025 is the 352405-th square number.

124189284025 is the 176203-rd centered octagonal number.

It is an amenable number.

124189284025 is a deficient number, since it is larger than the sum of its proper divisors (29807613108).

124189284025 is an frugal number, since it uses more digits than its factorization.

124189284025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140972 (or 70486 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 124189284025 in words is "one hundred twenty-four billion, one hundred eighty-nine million, two hundred eighty-four thousand, twenty-five".