120043620 has 60 divisors (see below), whose sum is σ = 376586364. Its totient is φ = 32011200.

The previous prime is 120043619. The next prime is 120043631. The reversal of 120043620 is 26340021.

It is a happy number.

120043620 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 43 + 620 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48776256 + 71267364 = 6984^2 + 8442^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120043593 and 120043602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35431 + ... + 38670.

Almost surely, 2^120043620 is an apocalyptic number.

120043620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120043620 is an abundant number, since it is smaller than the sum of its proper divisors (256542744).

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

120043620 is a wasteful number, since it uses less digits than its factorization.

120043620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74122 (or 74111 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120043620 is about 10956.4419407032. The cubic root of 120043620 is about 493.3021721654.

Adding to 120043620 its reverse (26340021), we get a palindrome (146383641).

The spelling of 120043620 in words is "one hundred twenty million, forty-three thousand, six hundred twenty".