424200120 has 32 divisors (see below), whose sum is σ = 1272600720. Its totient is φ = 113120000.

The previous prime is 424200089. The next prime is 424200131. The reversal of 424200120 is 21002424.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 424200120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767381 + ... + 1767620.

Almost surely, 2^424200120 is an apocalyptic number.

424200120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424200120 is an abundant number, since it is smaller than the sum of its proper divisors (848400600).

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

424200120 is a wasteful number, since it uses less digits than its factorization.

424200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535015 (or 3535011 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 424200120 is about 20596.1190518991. The cubic root of 424200120 is about 751.3753253210.

Adding to 424200120 its reverse (21002424), we get a palindrome (445202544).

The spelling of 424200120 in words is "four hundred twenty-four million, two hundred thousand, one hundred twenty".