120144234 has 16 divisors (see below), whose sum is σ = 274615488. Its totient is φ = 34326912.

The previous prime is 120144221. The next prime is 120144257. The reversal of 120144234 is 432441021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 120144234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430247 + ... + 1430330.

It is an arithmetic number, because the mean of its divisors is an integer number (17163468).

Almost surely, 2^120144234 is an apocalyptic number.

120144234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

120144234 is an abundant number, since it is smaller than the sum of its proper divisors (154471254).

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

120144234 is a wasteful number, since it uses less digits than its factorization.

120144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860589.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 120144234 is about 10961.0325243565. The cubic root of 120144234 is about 493.4399533170.

Adding to 120144234 its reverse (432441021), we get a palindrome (552585255).

The spelling of 120144234 in words is "one hundred twenty million, one hundred forty-four thousand, two hundred thirty-four".