120400244 has 12 divisors (see below), whose sum is σ = 210882084. Its totient is φ = 60148224.

The previous prime is 120400243. The next prime is 120400261. The reversal of 120400244 is 442004021.

It can be written as a sum of positive squares in 2 ways, for example, as 20160100 + 100240144 = 4490^2 + 10012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120400243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7499 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (17573507).

Almost surely, 2^120400244 is an apocalyptic number.

It is an amenable number.

120400244 is a deficient number, since it is larger than the sum of its proper divisors (90481840).

120400244 is a wasteful number, since it uses less digits than its factorization.

120400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25954 (or 25952 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 120400244 is about 10972.7044979804. The cubic root of 120400244 is about 493.7901877453.

Adding to 120400244 its reverse (442004021), we get a palindrome (562404265).

The spelling of 120400244 in words is "one hundred twenty million, four hundred thousand, two hundred forty-four".