811244130 has 32 divisors (see below), whose sum is σ = 1961207424. Its totient is φ = 214751616.

The previous prime is 811244117. The next prime is 811244141. The reversal of 811244130 is 31442118.

It is a self number, because there is not a number n which added to its sum of digits gives 811244130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94582 + ... + 102801.

It is an arithmetic number, because the mean of its divisors is an integer number (61287732).

Almost surely, 2^811244130 is an apocalyptic number.

811244130 is an abundant number, since it is smaller than the sum of its proper divisors (1149963294).

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

811244130 is a wasteful number, since it uses less digits than its factorization.

811244130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197530.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 811244130 is about 28482.3476911578. The cubic root of 811244130 is about 932.6467670482.

Adding to 811244130 its reverse (31442118), we get a palindrome (842686248).

The spelling of 811244130 in words is "eight hundred eleven million, two hundred forty-four thousand, one hundred thirty".