120540444 has 24 divisors (see below), whose sum is σ = 286569360. Its totient is φ = 39421824.

The previous prime is 120540439. The next prime is 120540449. The reversal of 120540444 is 444045021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120540439) and next prime (120540449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120540449) 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, 94129 + ... + 95400.

It is an arithmetic number, because the mean of its divisors is an integer number (11940390).

Almost surely, 2^120540444 is an apocalyptic number.

It is an amenable number.

120540444 is an abundant number, since it is smaller than the sum of its proper divisors (166028916).

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

120540444 is a wasteful number, since it uses less digits than its factorization.

120540444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189589 (or 189587 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 120540444 is about 10979.0912192221. The cubic root of 120540444 is about 493.9817779725.

Adding to 120540444 its reverse (444045021), we get a palindrome (564585465).

The spelling of 120540444 in words is "one hundred twenty million, five hundred forty thousand, four hundred forty-four".