120115224 has 40 divisors (see below), whose sum is σ = 336435660. Its totient is φ = 40038192.

The previous prime is 120115181. The next prime is 120115241. The reversal of 120115224 is 422511021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120115197 and 120115206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 92034 + ... + 93329.

Almost surely, 2^120115224 is an apocalyptic number.

It is an amenable number.

120115224 is an abundant number, since it is smaller than the sum of its proper divisors (216320436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120115224 is a wasteful number, since it uses less digits than its factorization.

120115224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185381 (or 185368 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 120115224 is about 10959.7091202276. The cubic root of 120115224 is about 493.4002348195.

Adding to 120115224 its reverse (422511021), we get a palindrome (542626245).

It can be divided in two parts, 1 and 20115224, that added together give a square (20115225 = 4485²).

The spelling of 120115224 in words is "one hundred twenty million, one hundred fifteen thousand, two hundred twenty-four".