120421024 has 24 divisors (see below), whose sum is σ = 238128660. Its totient is φ = 59943936.

The previous prime is 120421001. The next prime is 120421033. The reversal of 120421024 is 420124021.

It can be written as a sum of positive squares in 2 ways, for example, as 82228624 + 38192400 = 9068^2 + 6180^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 120420989 and 120421007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889 + ... + 15544.

Almost surely, 2^120421024 is an apocalyptic number.

It is an amenable number.

120421024 is a deficient number, since it is larger than the sum of its proper divisors (117707636).

120421024 is a wasteful number, since it uses less digits than its factorization.

120421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16672 (or 16664 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120421024 is about 10973.6513522164. The cubic root of 120421024 is about 493.8185940273.

Adding to 120421024 its reverse (420124021), we get a palindrome (540545045).

The spelling of 120421024 in words is "one hundred twenty million, four hundred twenty-one thousand, twenty-four".