1150999 has 8 divisors (see below), whose sum is σ = 1202688. Its totient is φ = 1100280.

The previous prime is 1150987. The next prime is 1151021. The reversal of 1150999 is 9990511.

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 1150999 - 2⁷ = 1150871 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 (1150909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (150336).

2^1150999 is an apocalyptic number.

1150999 is a deficient number, since it is larger than the sum of its proper divisors (51689).

1150999 is a wasteful number, since it uses less digits than its factorization.

1150999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 1150999 is about 1072.8462145154. The cubic root of 1150999 is about 104.7992839821.

The spelling of 1150999 in words is "one million, one hundred fifty thousand, nine hundred ninety-nine".