120433621 has 12 divisors (see below), whose sum is σ = 152832960. Its totient is φ = 93843960.

The previous prime is 120433591. The next prime is 120433657. The reversal of 120433621 is 126334021.

It is not a de Polignac number, because 120433621 - 2⁷ = 120433493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120433592 and 120433601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120433021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 111181 + ... + 112258.

It is an arithmetic number, because the mean of its divisors is an integer number (12736080).

Almost surely, 2^120433621 is an apocalyptic number.

120433621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120433621 is a deficient number, since it is larger than the sum of its proper divisors (32399339).

120433621 is a wasteful number, since it uses less digits than its factorization.

120433621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223464 (or 223457 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 120433621 is about 10974.2253029542. The cubic root of 120433621 is about 493.8358125487.

Adding to 120433621 its reverse (126334021), we get a palindrome (246767642).

The spelling of 120433621 in words is "one hundred twenty million, four hundred thirty-three thousand, six hundred twenty-one".