123015245122125 has 48 divisors (see below), whose sum is σ = 233426823065280. Its totient is φ = 62155071208800.

The previous prime is 123015245122123. The next prime is 123015245122229. The reversal of 123015245122125 is 521221542510321.

123015245122125 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 1 + 524 + 5 + 1 + 2 + 2 + 125 = 666.

It is not a de Polignac number, because 123015245122125 - 2¹ = 123015245122123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123015245122125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123015245122123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2877528219 + ... + 2877570968.

It is an arithmetic number, because the mean of its divisors is an integer number (4863058813860).

Almost surely, 2^{123015245122125} is an apocalyptic number.

123015245122125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123015245122125 is a deficient number, since it is larger than the sum of its proper divisors (110411577943155).

123015245122125 is a wasteful number, since it uses less digits than its factorization.

123015245122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755099227 (or 5755099214 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 123015245122125 its reverse (521221542510321), we get a palindrome (644236787632446).

The spelling of 123015245122125 in words is "one hundred twenty-three trillion, fifteen billion, two hundred forty-five million, one hundred twenty-two thousand, one hundred twenty-five".