1151799 has 24 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 657360.

The previous prime is 1151779. The next prime is 1151807. The reversal of 1151799 is 9971511.

It is a happy number.

It is not a de Polignac number, because 1151799 - 2⁷ = 1151671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

1151799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151729) 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 23 ways as a sum of consecutive naturals, for example, 6814 + ... + 6980.

It is an arithmetic number, because the mean of its divisors is an integer number (74480).

2^1151799 is an apocalyptic number.

1151799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1151799 is a deficient number, since it is larger than the sum of its proper divisors (635721).

1151799 is a wasteful number, since it uses less digits than its factorization.

1151799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 200 counting only the distinct ones).

The product of its digits is 2835, while the sum is 33.

The square root of 1151799 is about 1073.2189897686. The cubic root of 1151799 is about 104.8235585501.

The spelling of 1151799 in words is "one million, one hundred fifty-one thousand, seven hundred ninety-nine".