1149799 has 8 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 973176.

The previous prime is 1149779. The next prime is 1149803. The reversal of 1149799 is 9979411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149799 - 2¹⁵ = 1117031 is a prime.

1149799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149749) 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 in 7 ways as a sum of consecutive naturals, for example, 409 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^1149799 is an apocalyptic number.

1149799 is a deficient number, since it is larger than the sum of its proper divisors (180761).

1149799 is an equidigital number, since it uses as much as digits as its factorization.

1149799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its digits is 20412, while the sum is 40.

The square root of 1149799 is about 1072.2868086478. The cubic root of 1149799 is about 104.7628510311.

The spelling of 1149799 in words is "one million, one hundred forty-nine thousand, seven hundred ninety-nine".