120144430 has 32 divisors (see below), whose sum is σ = 248462784. Its totient is φ = 40974336.

The previous prime is 120144421. The next prime is 120144443. The reversal of 120144430 is 34441021.

It is a junction number, because it is equal to n+sod(n) for n = 120144398 and 120144407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9064 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (7764462).

Almost surely, 2^120144430 is an apocalyptic number.

120144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120144430 is an abundant number, since it is smaller than the sum of its proper divisors (128318354).

120144430 is a wasteful number, since it uses less digits than its factorization.

120144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120144430 is about 10961.0414651164. The cubic root of 120144430 is about 493.4402216449.

Adding to 120144430 its reverse (34441021), we get a palindrome (154585451).

The spelling of 120144430 in words is "one hundred twenty million, one hundred forty-four thousand, four hundred thirty".