1295763971 has 2 divisors, whose sum is σ = 1295763972. Its totient is φ = 1295763970.

The previous prime is 1295763967. The next prime is 1295763983. The reversal of 1295763971 is 1793675921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295763971 - 2² = 1295763967 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1295763941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647881985 + 647881986.

It is an arithmetic number, because the mean of its divisors is an integer number (647881986).

Almost surely, 2^1295763971 is an apocalyptic number.

1295763971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295763971 is an equidigital number, since it uses as much as digits as its factorization.

1295763971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 50.

The square root of 1295763971 is about 35996.7216701744. The cubic root of 1295763971 is about 1090.2061644654.

The spelling of 1295763971 in words is "one billion, two hundred ninety-five million, seven hundred sixty-three thousand, nine hundred seventy-one".