420253124 has 12 divisors (see below), whose sum is σ = 778704444. Its totient is φ = 197766144.

The previous prime is 420253121. The next prime is 420253129. The reversal of 420253124 is 421352024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 350363524 + 69889600 = 18718^2 + 8360^2 .

It is a super-2 number, since 2×420253124² = 353225376463518752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420253124.

It is not an unprimeable number, because it can be changed into a prime (420253121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090029 + ... + 3090164.

It is an arithmetic number, because the mean of its divisors is an integer number (64892037).

Almost surely, 2^420253124 is an apocalyptic number.

It is an amenable number.

420253124 is a deficient number, since it is larger than the sum of its proper divisors (358451320).

420253124 is a wasteful number, since it uses less digits than its factorization.

420253124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180214 (or 6180212 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 420253124 is about 20500.0761949803. The cubic root of 420253124 is about 749.0376540114.

The spelling of 420253124 in words is "four hundred twenty million, two hundred fifty-three thousand, one hundred twenty-four".