1140185 has 8 divisors (see below), whose sum is σ = 1377600. Its totient is φ = 905904.

The previous prime is 1140163. The next prime is 1140197. The reversal of 1140185 is 5810411.

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 1140185 - 2⁶ = 1140121 is a prime.

It is an unprimeable number.

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, 116 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (172200).

2^1140185 is an apocalyptic number.

It is an amenable number.

1140185 is a deficient number, since it is larger than the sum of its proper divisors (237415).

1140185 is a wasteful number, since it uses less digits than its factorization.

1140185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1140185 is about 1067.7944558762. The cubic root of 1140185 is about 104.4700432282.

Adding to 1140185 its reverse (5810411), we get a palindrome (6950596).

The spelling of 1140185 in words is "one million, one hundred forty thousand, one hundred eighty-five".