124551425588121 has 81 divisors (see below), whose sum is σ = 217329528322101. Its totient is φ = 71172243193212.

The previous prime is 124551425588087. The next prime is 124551425588129. The reversal of 124551425588121 is 121885524155421.

The square root of 124551425588121 is 11160261.

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

124551425588121 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 5 + 1 + 4 + 2 + 558 + 81 + 2 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 124551425588121 - 2¹⁵ = 124551425555353 is a prime.

Its product of digits (5120000) is a multiple of the sum of its prime divisors (10).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (124551425588129) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 17793060798300 + ... + 17793060798306.

Almost surely, 2^{124551425588121} is an apocalyptic number.

124551425588121 is the 11160261-st square number.

124551425588121 is the 5580131-st centered octagonal number.

It is an amenable number.

124551425588121 is a deficient number, since it is larger than the sum of its proper divisors (92778102733980).

124551425588121 is an frugal number, since it uses more digits than its factorization.

124551425588121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 10 counting only the distinct ones).

The product of its digits is 5120000, while the sum is 54.

The spelling of 124551425588121 in words is "one hundred twenty-four trillion, five hundred fifty-one billion, four hundred twenty-five million, five hundred eighty-eight thousand, one hundred twenty-one".