1312122983 has 2 divisors, whose sum is σ = 1312122984. Its totient is φ = 1312122982.

The previous prime is 1312122949. The next prime is 1312123061. The reversal of 1312122983 is 3892212131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312122983 - 2¹⁰ = 1312121959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312122943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656061491 + 656061492.

It is an arithmetic number, because the mean of its divisors is an integer number (656061492).

Almost surely, 2^1312122983 is an apocalyptic number.

1312122983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312122983 is an equidigital number, since it uses as much as digits as its factorization.

1312122983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 1312122983 is about 36223.2381628148. The cubic root of 1312122983 is about 1094.7749398106.

The spelling of 1312122983 in words is "one billion, three hundred twelve million, one hundred twenty-two thousand, nine hundred eighty-three".