120013444 has 12 divisors (see below), whose sum is σ = 212189404. Its totient is φ = 59387904.

The previous prime is 120013429. The next prime is 120013463. The reversal of 120013444 is 444310021.

It can be written as a sum of positive squares in 2 ways, for example, as 20811844 + 99201600 = 4562^2 + 9960^2 .

It is a super-2 number, since 2×120013444² = 28806453481482272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154269 + ... + 155044.

Almost surely, 2^120013444 is an apocalyptic number.

It is an amenable number.

120013444 is a deficient number, since it is larger than the sum of its proper divisors (92175960).

120013444 is a wasteful number, since it uses less digits than its factorization.

120013444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309414 (or 309412 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120013444 is about 10955.0647647561. The cubic root of 120013444 is about 493.2608340422.

Adding to 120013444 its reverse (444310021), we get a palindrome (564323465).

The spelling of 120013444 in words is "one hundred twenty million, thirteen thousand, four hundred forty-four".