1140685 has 32 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 684288.

The previous prime is 1140679. The next prime is 1140691. The reversal of 1140685 is 5860411.

It is an interprime number because it is at equal distance from previous prime (1140679) and next prime (1140691).

It is a cyclic number.

It is not a de Polignac number, because 1140685 - 2³ = 1140677 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10411 + ... + 10519.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2^1140685 is an apocalyptic number.

It is an amenable number.

1140685 is a deficient number, since it is larger than the sum of its proper divisors (633395).

1140685 is a wasteful number, since it uses less digits than its factorization.

1140685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1140685 is about 1068.0285576706. The cubic root of 1140685 is about 104.4853119165.

The spelling of 1140685 in words is "one million, one hundred forty thousand, six hundred eighty-five".