120745456 has 40 divisors (see below), whose sum is σ = 265208720. Its totient is φ = 52793856.

The previous prime is 120745453. The next prime is 120745459. The reversal of 120745456 is 654547021.

It is an interprime number because it is at equal distance from previous prime (120745453) and next prime (120745459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120745453) 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, 11325 + ... + 19228.

It is an arithmetic number, because the mean of its divisors is an integer number (6630218).

Almost surely, 2^120745456 is an apocalyptic number.

120745456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120745456 is an abundant number, since it is smaller than the sum of its proper divisors (144463264).

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

120745456 is a wasteful number, since it uses less digits than its factorization.

120745456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30593 (or 30587 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 120745456 is about 10988.4237268136. The cubic root of 120745456 is about 494.2616697372.

The spelling of 120745456 in words is "one hundred twenty million, seven hundred forty-five thousand, four hundred fifty-six".