1294512983 has 2 divisors, whose sum is σ = 1294512984. Its totient is φ = 1294512982.

The previous prime is 1294512949. The next prime is 1294513001. The reversal of 1294512983 is 3892154921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1294512983 - 2⁸ = 1294512727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294512913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647256491 + 647256492.

It is an arithmetic number, because the mean of its divisors is an integer number (647256492).

Almost surely, 2^1294512983 is an apocalyptic number.

1294512983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294512983 is an equidigital number, since it uses as much as digits as its factorization.

1294512983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 1294512983 is about 35979.3410584463. The cubic root of 1294512983 is about 1089.8552070385.

The spelling of 1294512983 in words is "one billion, two hundred ninety-four million, five hundred twelve thousand, nine hundred eighty-three".