1140807 has 4 divisors (see below), whose sum is σ = 1521080. Its totient is φ = 760536.

The previous prime is 1140803. The next prime is 1140847. The reversal of 1140807 is 7080411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1140807 - 2² = 1140803 is a prime.

It is a super-2 number, since 2×1140807² = 2602881222498, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140803) 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, 190132 + ... + 190137.

It is an arithmetic number, because the mean of its divisors is an integer number (380270).

2^1140807 is an apocalyptic number.

1140807 is a deficient number, since it is larger than the sum of its proper divisors (380273).

1140807 is an equidigital number, since it uses as much as digits as its factorization.

1140807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380272.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1140807 is about 1068.0856707212. The cubic root of 1140807 is about 104.4890367993.

The spelling of 1140807 in words is "one million, one hundred forty thousand, eight hundred seven".