1140659 has 4 divisors (see below), whose sum is σ = 1228416. Its totient is φ = 1052904.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140659 is 9560411.

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 1140659 - 2²⁰ = 92083 is a prime.

It is a super-2 number, since 2×1140659² = 2602205908562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140619) 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, 43859 + ... + 43884.

It is an arithmetic number, because the mean of its divisors is an integer number (307104).

2^1140659 is an apocalyptic number.

1140659 is a deficient number, since it is larger than the sum of its proper divisors (87757).

1140659 is an equidigital number, since it uses as much as digits as its factorization.

1140659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87756.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1140659 is about 1068.0163856421. The cubic root of 1140659 is about 104.4845180547.

The spelling of 1140659 in words is "one million, one hundred forty thousand, six hundred fifty-nine".