120633144 has 16 divisors (see below), whose sum is σ = 301582920. Its totient is φ = 40211040.

The previous prime is 120633143. The next prime is 120633151. The reversal of 120633144 is 441336021.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5026381 = 120633144 / (1 + 2 + 0 + 6 + 3 + 3 + 1 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120633143) 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, 2513167 + ... + 2513214.

Almost surely, 2^120633144 is an apocalyptic number.

It is an amenable number.

120633144 is an abundant number, since it is smaller than the sum of its proper divisors (180949776).

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

120633144 is a wasteful number, since it uses less digits than its factorization.

120633144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026390 (or 5026386 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 120633144 is about 10983.3120687705. The cubic root of 120633144 is about 494.1083755296.

Adding to 120633144 its reverse (441336021), we get a palindrome (561969165).

The spelling of 120633144 in words is "one hundred twenty million, six hundred thirty-three thousand, one hundred forty-four".