120144630 has 16 divisors (see below), whose sum is σ = 288347184. Its totient is φ = 32038560.

The previous prime is 120144611. The next prime is 120144631. The reversal of 120144630 is 36441021.

It is a junction number, because it is equal to n+sod(n) for n = 120144597 and 120144606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002381 + ... + 2002440.

It is an arithmetic number, because the mean of its divisors is an integer number (18021699).

Almost surely, 2^120144630 is an apocalyptic number.

120144630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120144630 is an abundant number, since it is smaller than the sum of its proper divisors (168202554).

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

120144630 is a wasteful number, since it uses less digits than its factorization.

120144630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004831.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 120144630 is about 10961.0505883332. The cubic root of 120144630 is about 493.4404954487.

Adding to 120144630 its reverse (36441021), we get a palindrome (156585651).

The spelling of 120144630 in words is "one hundred twenty million, one hundred forty-four thousand, six hundred thirty".