120120124399 has 4 divisors (see below), whose sum is σ = 131040135720. Its totient is φ = 109200113080.

The previous prime is 120120124363. The next prime is 120120124417. The reversal of 120120124399 is 993421021021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120120124399 - 2²⁹ = 119583253487 is a prime.

It is a super-2 number, since 2×120120124399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120124199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460005644 + ... + 5460005665.

It is an arithmetic number, because the mean of its divisors is an integer number (32760033930).

Almost surely, 2^120120124399 is an apocalyptic number.

120120124399 is a deficient number, since it is larger than the sum of its proper divisors (10920011321).

120120124399 is a wasteful number, since it uses less digits than its factorization.

120120124399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920011320.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 120120124399 in words is "one hundred twenty billion, one hundred twenty million, one hundred twenty-four thousand, three hundred ninety-nine".