1140099 has 8 divisors (see below), whose sum is σ = 1525440. Its totient is φ = 757416.

The previous prime is 1140091. The next prime is 1140101. The reversal of 1140099 is 9900411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140099 - 2³ = 1140091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140091) 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, 804 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (190680).

2^1140099 is an apocalyptic number.

1140099 is a deficient number, since it is larger than the sum of its proper divisors (385341).

1140099 is an equidigital number, since it uses as much as digits as its factorization.

1140099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1140099 is about 1067.7541851943. The cubic root of 1140099 is about 104.4674165640.

The spelling of 1140099 in words is "one million, one hundred forty thousand, ninety-nine".