120443904 has 132 divisors (see below), whose sum is σ = 397674784. Its totient is φ = 34394112.

The previous prime is 120443899. The next prime is 120443923. The reversal of 120443904 is 409344021.

It is a super-2 number, since 2×120443904² = 29013468021522432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63579 + ... + 65445.

Almost surely, 2^120443904 is an apocalyptic number.

120443904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120443904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198837392).

120443904 is an abundant number, since it is smaller than the sum of its proper divisors (277230880).

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

120443904 is a wasteful number, since it uses less digits than its factorization.

120443904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120443904 is about 10974.6937998288. The cubic root of 120443904 is about 493.8498672318.

Adding to 120443904 its reverse (409344021), we get a palindrome (529787925).

The spelling of 120443904 in words is "one hundred twenty million, four hundred forty-three thousand, nine hundred four".