120564442 has 12 divisors (see below), whose sum is σ = 192111390. Its totient is φ = 56735936.

The previous prime is 120564439. The next prime is 120564547. The reversal of 120564442 is 244465021.

It can be written as a sum of positive squares in 3 ways, for example, as 120362841 + 201601 = 10971^2 + 449^2 .

It is a super-4 number, since 4×120564442⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120564442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103717 + ... + 104872.

Almost surely, 2^120564442 is an apocalyptic number.

120564442 is a deficient number, since it is larger than the sum of its proper divisors (71546948).

120564442 is a wasteful number, since it uses less digits than its factorization.

120564442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208625 (or 208608 counting only the distinct ones).

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

The square root of 120564442 is about 10980.1840603881. The cubic root of 120564442 is about 494.0145575324.

The spelling of 120564442 in words is "one hundred twenty million, five hundred sixty-four thousand, four hundred forty-two".