1140711 has 16 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 637920.

The previous prime is 1140709. The next prime is 1140721. The reversal of 1140711 is 1170411.

It is not a de Polignac number, because 1140711 - 2¹ = 1140709 is a prime.

1140711 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^1140711 is an apocalyptic number.

1140711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1140711 is a deficient number, since it is larger than the sum of its proper divisors (646809).

1140711 is a wasteful number, since it uses less digits than its factorization.

1140711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 1140711 is about 1068.0407295604. The cubic root of 1140711 is about 104.4861057662.

The spelling of 1140711 in words is "one million, one hundred forty thousand, seven hundred eleven".