1140765 has 16 divisors (see below), whose sum is σ = 1857600. Its totient is φ = 597632.

The previous prime is 1140749. The next prime is 1140787. The reversal of 1140765 is 5670411.

It is a cyclic number.

It is not a de Polignac number, because 1140765 - 2⁴ = 1140749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (116100).

2^1140765 is an apocalyptic number.

1140765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140765 is a deficient number, since it is larger than the sum of its proper divisors (716835).

1140765 is a wasteful number, since it uses less digits than its factorization.

1140765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1140765 is about 1068.0660091961. The cubic root of 1140765 is about 104.4877544925.

The spelling of 1140765 in words is "one million, one hundred forty thousand, seven hundred sixty-five".