421286120 has 32 divisors (see below), whose sum is σ = 948606120. Its totient is φ = 168387840.

The previous prime is 421286119. The next prime is 421286149. The reversal of 421286120 is 21682124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 197065444 + 224220676 = 14038^2 + 14974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421286120.

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, 64610 + ... + 70830.

Almost surely, 2^421286120 is an apocalyptic number.

421286120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421286120 is an abundant number, since it is smaller than the sum of its proper divisors (527320000).

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

421286120 is a wasteful number, since it uses less digits than its factorization.

421286120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925 (or 7921 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 421286120 is about 20525.2556622323. The cubic root of 421286120 is about 749.6508715784.

The spelling of 421286120 in words is "four hundred twenty-one million, two hundred eighty-six thousand, one hundred twenty".