1140669 has 16 divisors (see below), whose sum is σ = 1713600. Its totient is φ = 749808.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140669 is 9660411.

It is not a de Polignac number, because 1140669 - 2⁵ = 1140637 is a prime.

It is a super-2 number, since 2×1140669² = 2602251535122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140619) 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, 1987 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (107100).

2^1140669 is an apocalyptic number.

It is an amenable number.

1140669 is a deficient number, since it is larger than the sum of its proper divisors (572931).

1140669 is an equidigital number, since it uses as much as digits as its factorization.

1140669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1140669 is about 1068.0210672079. The cubic root of 1140669 is about 104.4848233876.

The spelling of 1140669 in words is "one million, one hundred forty thousand, six hundred sixty-nine".