1292971 has 2 divisors, whose sum is σ = 1292972. Its totient is φ = 1292970.

The previous prime is 1292957. The next prime is 1292983. The reversal of 1292971 is 1792921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1292971 - 2⁷ = 1292843 is a prime.

1292971 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1292371) 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 as a sum of consecutive naturals, namely, 646485 + 646486.

It is an arithmetic number, because the mean of its divisors is an integer number (646486).

2^1292971 is an apocalyptic number.

1292971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292971 is an equidigital number, since it uses as much as digits as its factorization.

1292971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 1292971 is about 1137.0888267853. The cubic root of 1292971 is about 108.9422301399.

The spelling of 1292971 in words is "one million, two hundred ninety-two thousand, nine hundred seventy-one".