1159399 has 8 divisors (see below), whose sum is σ = 1232000. Its totient is φ = 1087992.

The previous prime is 1159397. The next prime is 1159421. The reversal of 1159399 is 9939511.

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 1159399 - 2¹ = 1159397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159393) 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, 2422 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (154000).

2^1159399 is an apocalyptic number.

1159399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1159399 is a deficient number, since it is larger than the sum of its proper divisors (72601).

1159399 is a wasteful number, since it uses less digits than its factorization.

1159399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its digits is 10935, while the sum is 37.

The square root of 1159399 is about 1076.7539180333. The cubic root of 1159399 is about 105.0536083018.

The spelling of 1159399 in words is "one million, one hundred fifty-nine thousand, three hundred ninety-nine".