120845444 has 6 divisors (see below), whose sum is σ = 211479534. Its totient is φ = 60422720.

The previous prime is 120845423. The next prime is 120845449. The reversal of 120845444 is 444548021.

It can be written as a sum of positive squares in only one way, i.e., 94322944 + 26522500 = 9712^2 + 5150^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120845444.

It is not an unprimeable number, because it can be changed into a prime (120845449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105677 + ... + 15105684.

It is an arithmetic number, because the mean of its divisors is an integer number (35246589).

Almost surely, 2^120845444 is an apocalyptic number.

It is an amenable number.

120845444 is a deficient number, since it is larger than the sum of its proper divisors (90634090).

120845444 is a wasteful number, since it uses less digits than its factorization.

120845444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30211365 (or 30211363 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 120845444 is about 10992.9724824544. The cubic root of 120845444 is about 494.3980630015.

The spelling of 120845444 in words is "one hundred twenty million, eight hundred forty-five thousand, four hundred forty-four".