1150099 has 4 divisors (see below), whose sum is σ = 1154736. Its totient is φ = 1145464.

The previous prime is 1150081. The next prime is 1150103. The reversal of 1150099 is 9900511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1150099 - 2⁷ = 1149971 is a prime.

It is a Duffinian number.

1150099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1150199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (288684).

2^1150099 is an apocalyptic number.

1150099 is a deficient number, since it is larger than the sum of its proper divisors (4637).

1150099 is an equidigital number, since it uses as much as digits as its factorization.

1150099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 1150099 is about 1072.4266874710. The cubic root of 1150099 is about 104.7719616444.

The spelling of 1150099 in words is "one million, one hundred fifty thousand, ninety-nine".