1294987 has 2 divisors, whose sum is σ = 1294988. Its totient is φ = 1294986.

The previous prime is 1294973. The next prime is 1294999. The reversal of 1294987 is 7894921.

It is a strong prime.

It is an emirp because it is prime and its reverse (7894921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294987 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (1294957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647493 + 647494.

It is an arithmetic number, because the mean of its divisors is an integer number (647494).

2^1294987 is an apocalyptic number.

1294987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294987 is an equidigital number, since it uses as much as digits as its factorization.

1294987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 1294987 is about 1137.9749557877. The cubic root of 1294987 is about 108.9988216353.

The spelling of 1294987 in words is "one million, two hundred ninety-four thousand, nine hundred eighty-seven".