120641224 has 32 divisors (see below), whose sum is σ = 248054400. Its totient is φ = 54550720.

The previous prime is 120641221. The next prime is 120641239. The reversal of 120641224 is 422146021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 120641195 and 120641204.

It is not an unprimeable number, because it can be changed into a prime (120641221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13857 + ... + 20815.

It is an arithmetic number, because the mean of its divisors is an integer number (7751700).

Almost surely, 2^120641224 is an apocalyptic number.

It is an amenable number.

120641224 is an abundant number, since it is smaller than the sum of its proper divisors (127413176).

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

120641224 is a wasteful number, since it uses less digits than its factorization.

120641224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173 (or 7169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 120641224 is about 10983.6798933691. The cubic root of 120641224 is about 494.1194070654.

Adding to 120641224 its reverse (422146021), we get a palindrome (542787245).

The spelling of 120641224 in words is "one hundred twenty million, six hundred forty-one thousand, two hundred twenty-four".