1291084 has 6 divisors (see below), whose sum is σ = 2259404. Its totient is φ = 645540.

The previous prime is 1291079. The next prime is 1291111. The reversal of 1291084 is 4801921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161382 + ... + 161389.

2^1291084 is an apocalyptic number.

It is an amenable number.

1291084 is a deficient number, since it is larger than the sum of its proper divisors (968320).

1291084 is a wasteful number, since it uses less digits than its factorization.

1291084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322775 (or 322773 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1291084 is about 1136.2587733435. The cubic root of 1291084 is about 108.8892065025.

The spelling of 1291084 in words is "one million, two hundred ninety-one thousand, eighty-four".