1140747 has 16 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 719712.

The previous prime is 1140721. The next prime is 1140749. The reversal of 1140747 is 7470411.

It is not a de Polignac number, because 1140747 - 2⁷ = 1140619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4654 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

2^1140747 is an apocalyptic number.

1140747 is a deficient number, since it is larger than the sum of its proper divisors (464373).

1140747 is a wasteful number, since it uses less digits than its factorization.

1140747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 1140747 is about 1068.0575827173. The cubic root of 1140747 is about 104.4872049229.

The spelling of 1140747 in words is "one million, one hundred forty thousand, seven hundred forty-seven".