421265130 has 192 divisors, whose sum is σ = 1222663680. Its totient is φ = 92252160.

The previous prime is 421265123. The next prime is 421265149. The reversal of 421265130 is 31562124.

It is a self number, because there is not a number n which added to its sum of digits gives 421265130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3727954 + ... + 3728066.

It is an arithmetic number, because the mean of its divisors is an integer number (6368040).

Almost surely, 2^421265130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421265130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611331840).

421265130 is an abundant number, since it is smaller than the sum of its proper divisors (801398550).

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

421265130 is a wasteful number, since it uses less digits than its factorization.

421265130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 421265130 is about 20524.7443345831. The cubic root of 421265130 is about 749.6384212647.

The spelling of 421265130 in words is "four hundred twenty-one million, two hundred sixty-five thousand, one hundred thirty".