120384621 has 18 divisors (see below), whose sum is σ = 202279662. Its totient is φ = 68790960.

The previous prime is 120384619. The next prime is 120384623. The reversal of 120384621 is 126483021.

120384621 is a `hidden beast` number, since 1 + 2 + 0 + 38 + 4 + 621 = 666.

It is an interprime number because it is at equal distance from previous prime (120384619) and next prime (120384623).

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 7918596 = 10605^2 + 2814^2 .

It is not a de Polignac number, because 120384621 - 2¹ = 120384619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120384623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 136050 + ... + 136931.

It is an arithmetic number, because the mean of its divisors is an integer number (11237759).

Almost surely, 2^120384621 is an apocalyptic number.

It is an amenable number.

120384621 is a deficient number, since it is larger than the sum of its proper divisors (81895041).

120384621 is a wasteful number, since it uses less digits than its factorization.

120384621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273001 (or 272991 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 120384621 is about 10971.9925719989. The cubic root of 120384621 is about 493.7688289353.

The spelling of 120384621 in words is "one hundred twenty million, three hundred eighty-four thousand, six hundred twenty-one".