120124431 has 80 divisors (see below), whose sum is σ = 221839200. Its totient is φ = 64012032.

The previous prime is 120124427. The next prime is 120124439. The reversal of 120124431 is 134421021.

It is not a de Polignac number, because 120124431 - 2² = 120124427 is a prime.

It is a super-2 number, since 2×120124431² = 28859757846147522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120124439) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1102005 + ... + 1102113.

It is an arithmetic number, because the mean of its divisors is an integer number (2772990).

Almost surely, 2^120124431 is an apocalyptic number.

120124431 is a deficient number, since it is larger than the sum of its proper divisors (101714769).

120124431 is an equidigital number, since it uses as much as digits as its factorization.

120124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 120124431 is about 10960.1291506989. The cubic root of 120124431 is about 493.4128411036.

Adding to 120124431 its reverse (134421021), we get a palindrome (254545452).

The spelling of 120124431 in words is "one hundred twenty million, one hundred twenty-four thousand, four hundred thirty-one".