1140589 has 8 divisors (see below), whose sum is σ = 1211040. Its totient is φ = 1071216.

The previous prime is 1140577. The next prime is 1140611. The reversal of 1140589 is 9850411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1140589 is a prime.

It is a Duffinian number.

1140589 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (151380).

2^1140589 is an apocalyptic number.

1140589 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1140589 is a deficient number, since it is larger than the sum of its proper divisors (70451).

1140589 is a wasteful number, since it uses less digits than its factorization.

1140589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1140589 is about 1067.9836141065. The cubic root of 1140589 is about 104.4823806745.

The spelling of 1140589 in words is "one million, one hundred forty thousand, five hundred eighty-nine".