420125024 has 24 divisors (see below), whose sum is σ = 902314728. Its totient is φ = 190965760.

The previous prime is 420125009. The next prime is 420125033. The reversal of 420125024 is 420521024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 420124987 and 420125005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596417 + ... + 597120.

It is an arithmetic number, because the mean of its divisors is an integer number (37596447).

Almost surely, 2^420125024 is an apocalyptic number.

420125024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420125024 is an abundant number, since it is smaller than the sum of its proper divisors (482189704).

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

420125024 is a wasteful number, since it uses less digits than its factorization.

420125024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193558 (or 1193550 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 420125024 is about 20496.9515782226. The cubic root of 420125024 is about 748.9615399832.

Adding to 420125024 its reverse (420521024), we get a palindrome (840646048).

The spelling of 420125024 in words is "four hundred twenty million, one hundred twenty-five thousand, twenty-four".