1149779 has 2 divisors, whose sum is σ = 1149780. Its totient is φ = 1149778.

The previous prime is 1149773. The next prime is 1149803. The reversal of 1149779 is 9779411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1149779 - 2²⁰ = 101203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1149773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574889 + 574890.

It is an arithmetic number, because the mean of its divisors is an integer number (574890).

2^1149779 is an apocalyptic number.

1149779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149779 is an equidigital number, since it uses as much as digits as its factorization.

1149779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 38.

The square root of 1149779 is about 1072.2774827441. The cubic root of 1149779 is about 104.7622436005.

The spelling of 1149779 in words is "one million, one hundred forty-nine thousand, seven hundred seventy-nine".