1292947 has 2 divisors, whose sum is σ = 1292948. Its totient is φ = 1292946.

The previous prime is 1292927. The next prime is 1292953. The reversal of 1292947 is 7492921.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7492921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1292947 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is equal to p₉₉₅₂₉ and since 1292947 and 99529 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1292927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646473 + 646474.

It is an arithmetic number, because the mean of its divisors is an integer number (646474).

2^1292947 is an apocalyptic number.

1292947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292947 is an equidigital number, since it uses as much as digits as its factorization.

1292947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 1292947 is about 1137.0782734711. The cubic root of 1292947 is about 108.9415560774.

The spelling of 1292947 in words is "one million, two hundred ninety-two thousand, nine hundred forty-seven".