1140680 has 16 divisors (see below), whose sum is σ = 2566620. Its totient is φ = 456256.

The previous prime is 1140679. The next prime is 1140691. The reversal of 1140680 is 860411.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 21316 = 1058^2 + 146^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14219 + ... + 14298.

2^1140680 is an apocalyptic number.

1140680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140680 is an abundant number, since it is smaller than the sum of its proper divisors (1425940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140680 is a wasteful number, since it uses less digits than its factorization.

1140680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28528 (or 28524 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1140680 is about 1068.0262169067. The cubic root of 1140680 is about 104.4851592517.

The spelling of 1140680 in words is "one million, one hundred forty thousand, six hundred eighty".