120424040125 has 16 divisors (see below), whose sum is σ = 158199163200. Its totient is φ = 91268744400.

The previous prime is 120424040123. The next prime is 120424040197. The reversal of 120424040125 is 521040424021.

It is not a de Polignac number, because 120424040125 - 2¹ = 120424040123 is a prime.

It is a super-2 number, since 2×120424040125² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 120424040125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120424040123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25350055 + ... + 25354804.

It is an arithmetic number, because the mean of its divisors is an integer number (9887447700).

Almost surely, 2^120424040125 is an apocalyptic number.

It is an amenable number.

120424040125 is a deficient number, since it is larger than the sum of its proper divisors (37775123075).

120424040125 is an equidigital number, since it uses as much as digits as its factorization.

120424040125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50704893 (or 50704883 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 120424040125 its reverse (521040424021), we get a palindrome (641464464146).

The spelling of 120424040125 in words is "one hundred twenty billion, four hundred twenty-four million, forty thousand, one hundred twenty-five".