120440030 has 16 divisors (see below), whose sum is σ = 217726704. Its totient is φ = 47968320.

The previous prime is 120440027. The next prime is 120440041. The reversal of 120440030 is 30044021.

It is a junction number, because it is equal to n+sod(n) for n = 120439987 and 120440014.

It is a congruent number.

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, 23516 + ... + 28175.

It is an arithmetic number, because the mean of its divisors is an integer number (13607919).

Almost surely, 2^120440030 is an apocalyptic number.

120440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120440030 is a deficient number, since it is larger than the sum of its proper divisors (97286674).

120440030 is a wasteful number, since it uses less digits than its factorization.

120440030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51931.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 120440030 is about 10974.5173014580. The cubic root of 120440030 is about 493.8445723882.

Adding to 120440030 its reverse (30044021), we get a palindrome (150484051).

The spelling of 120440030 in words is "one hundred twenty million, four hundred forty thousand, thirty".