120144730 has 16 divisors (see below), whose sum is σ = 217396224. Its totient is φ = 47805520.

The previous prime is 120144707. The next prime is 120144751. The reversal of 120144730 is 37441021.

It is a super-2 number, since 2×120144730² = 28869512293545800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29542 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (13587264).

Almost surely, 2^120144730 is an apocalyptic number.

120144730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120144730 is a deficient number, since it is larger than the sum of its proper divisors (97251494).

120144730 is a wasteful number, since it uses less digits than its factorization.

120144730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63101.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 120144730 is about 10961.0551499388. The cubic root of 120144730 is about 493.4406323505.

Adding to 120144730 its reverse (37441021), we get a palindrome (157585751).

The spelling of 120144730 in words is "one hundred twenty million, one hundred forty-four thousand, seven hundred thirty".