120442456 has 8 divisors (see below), whose sum is σ = 225829620. Its totient is φ = 60221224.

The previous prime is 120442453. The next prime is 120442457. The reversal of 120442456 is 654244021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527646 + ... + 7527661.

Almost surely, 2^120442456 is an apocalyptic number.

It is an amenable number.

120442456 is a deficient number, since it is larger than the sum of its proper divisors (105387164).

120442456 is a wasteful number, since it uses less digits than its factorization.

120442456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15055313 (or 15055309 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 120442456 is about 10974.6278296806. The cubic root of 120442456 is about 493.8478881709.

Adding to 120442456 its reverse (654244021), we get a palindrome (774686477).

It can be divided in two parts, 1204 and 42456, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 120442456 in words is "one hundred twenty million, four hundred forty-two thousand, four hundred fifty-six".