612281130 has 16 divisors (see below), whose sum is σ = 1469474784. Its totient is φ = 163274960.

The previous prime is 612281101. The next prime is 612281177. The reversal of 612281130 is 31182216.

It is a self number, because there is not a number n which added to its sum of digits gives 612281130.

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, 10204656 + ... + 10204715.

It is an arithmetic number, because the mean of its divisors is an integer number (91842174).

Almost surely, 2^612281130 is an apocalyptic number.

612281130 is an abundant number, since it is smaller than the sum of its proper divisors (857193654).

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

612281130 is a wasteful number, since it uses less digits than its factorization.

612281130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20409381.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 612281130 is about 24744.3151046862. The cubic root of 612281130 is about 849.1484574623.

The spelling of 612281130 in words is "six hundred twelve million, two hundred eighty-one thousand, one hundred thirty".