1312041227 has 8 divisors (see below), whose sum is σ = 1500170976. Its totient is φ = 1124085312.

The previous prime is 1312041223. The next prime is 1312041251. The reversal of 1312041227 is 7221402131.

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

It is not a de Polignac number, because 1312041227 - 2² = 1312041223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312041223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26858 + ... + 57839.

It is an arithmetic number, because the mean of its divisors is an integer number (187521372).

Almost surely, 2^1312041227 is an apocalyptic number.

1312041227 is a deficient number, since it is larger than the sum of its proper divisors (188129749).

1312041227 is an equidigital number, since it uses as much as digits as its factorization.

1312041227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86917.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1312041227 is about 36222.1096431448. The cubic root of 1312041227 is about 1094.7522015256.

Adding to 1312041227 its reverse (7221402131), we get a palindrome (8533443358).

The spelling of 1312041227 in words is "one billion, three hundred twelve million, forty-one thousand, two hundred twenty-seven".