124420011125 has 16 divisors (see below), whose sum is σ = 155286655680. Its totient is φ = 99529290000.

The previous prime is 124420011101. The next prime is 124420011139. The reversal of 124420011125 is 521110024421.

It is a de Polignac number, because none of the positive numbers 2^k-124420011125 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124420011125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733806 + ... + 2778944.

It is an arithmetic number, because the mean of its divisors is an integer number (9705415980).

Almost surely, 2^124420011125 is an apocalyptic number.

It is an amenable number.

124420011125 is a deficient number, since it is larger than the sum of its proper divisors (30866644555).

124420011125 is an equidigital number, since it uses as much as digits as its factorization.

124420011125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67205 (or 67195 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 124420011125 its reverse (521110024421), we get a palindrome (645530035546).

The spelling of 124420011125 in words is "one hundred twenty-four billion, four hundred twenty million, eleven thousand, one hundred twenty-five".