1140499 has 4 divisors (see below), whose sum is σ = 1143360. Its totient is φ = 1137640.

The previous prime is 1140493. The next prime is 1140533. The reversal of 1140499 is 9940411.

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 1140499 - 2⁷ = 1140371 is a prime.

It is a Duffinian number.

1140499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1140493) 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, 712 + ... + 1669.

It is an arithmetic number, because the mean of its divisors is an integer number (285840).

2^1140499 is an apocalyptic number.

1140499 is a deficient number, since it is larger than the sum of its proper divisors (2861).

1140499 is an equidigital number, since it uses as much as digits as its factorization.

1140499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1140499 is about 1067.9414777974. The cubic root of 1140499 is about 104.4796324857.

The spelling of 1140499 in words is "one million, one hundred forty thousand, four hundred ninety-nine".