1145799 has 8 divisors (see below), whose sum is σ = 1697520. Its totient is φ = 763848.

The previous prime is 1145797. The next prime is 1145801. The reversal of 1145799 is 9975411.

It is an interprime number because it is at equal distance from previous prime (1145797) and next prime (1145801).

It is not a de Polignac number, because 1145799 - 2¹ = 1145797 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21192 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (212190).

2^1145799 is an apocalyptic number.

1145799 is a deficient number, since it is larger than the sum of its proper divisors (551721).

1145799 is an equidigital number, since it uses as much as digits as its factorization.

1145799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42446 (or 42440 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 1145799 is about 1070.4200110237. The cubic root of 1145799 is about 104.6412244722.

The spelling of 1145799 in words is "one million, one hundred forty-five thousand, seven hundred ninety-nine".