1249159 has 2 divisors, whose sum is σ = 1249160. Its totient is φ = 1249158.

The previous prime is 1249151. The next prime is 1249163. The reversal of 1249159 is 9519421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1249159 - 2³ = 1249151 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1249159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249151) 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, 624579 + 624580.

It is an arithmetic number, because the mean of its divisors is an integer number (624580).

2^1249159 is an apocalyptic number.

1249159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249159 is an equidigital number, since it uses as much as digits as its factorization.

1249159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 1249159 is about 1117.6578188337. The cubic root of 1249159 is about 107.6975706873.

The spelling of 1249159 in words is "one million, two hundred forty-nine thousand, one hundred fifty-nine".