1152791 has 2 divisors, whose sum is σ = 1152792. Its totient is φ = 1152790.

The previous prime is 1152773. The next prime is 1152793. The reversal of 1152791 is 1972511.

It is a strong prime.

It is an emirp because it is prime and its reverse (1972511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152791 is a prime.

Together with 1152793, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152793) by changing a digit.

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, 576395 + 576396.

It is an arithmetic number, because the mean of its divisors is an integer number (576396).

2^1152791 is an apocalyptic number.

1152791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152791 is an equidigital number, since it uses as much as digits as its factorization.

1152791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630, while the sum is 26.

The square root of 1152791 is about 1073.6810513369. The cubic root of 1152791 is about 104.8536434091.

The spelling of 1152791 in words is "one million, one hundred fifty-two thousand, seven hundred ninety-one".