1140584 has 8 divisors (see below), whose sum is σ = 2138610. Its totient is φ = 570288.

The previous prime is 1140577. The next prime is 1140611. The reversal of 1140584 is 4850411.

It can be written as a sum of positive squares in only one way, i.e., 1044484 + 96100 = 1022^2 + 310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1140584² = 2601863722112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71279 + ... + 71294.

2^1140584 is an apocalyptic number.

It is an amenable number.

1140584 is a deficient number, since it is larger than the sum of its proper divisors (998026).

1140584 is a wasteful number, since it uses less digits than its factorization.

1140584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142579 (or 142575 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1140584 is about 1067.9812732441. The cubic root of 1140584 is about 104.4822280011.

Adding to 1140584 its reverse (4850411), we get a palindrome (5990995).

The spelling of 1140584 in words is "one million, one hundred forty thousand, five hundred eighty-four".