812130441 has 8 divisors (see below), whose sum is σ = 1085489760. Its totient is φ = 540095712.

The previous prime is 812130421. The next prime is 812130481. The reversal of 812130441 is 144031218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 812130441 - 2⁷ = 812130313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812130401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329715 + ... + 332168.

It is an arithmetic number, because the mean of its divisors is an integer number (135686220).

Almost surely, 2^812130441 is an apocalyptic number.

It is an amenable number.

812130441 is a deficient number, since it is larger than the sum of its proper divisors (273359319).

812130441 is a wasteful number, since it uses less digits than its factorization.

812130441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662295.

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

The square root of 812130441 is about 28497.9023964923. The cubic root of 812130441 is about 932.9862925605.

Adding to 812130441 its reverse (144031218), we get a palindrome (956161659).

The spelling of 812130441 in words is "eight hundred twelve million, one hundred thirty thousand, four hundred forty-one".