1140086 has 4 divisors (see below), whose sum is σ = 1710132. Its totient is φ = 570042.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140086 is 6800411.

1140086 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285020 + ... + 285023.

It is an arithmetic number, because the mean of its divisors is an integer number (427533).

2^1140086 is an apocalyptic number.

1140086 is a deficient number, since it is larger than the sum of its proper divisors (570046).

1140086 is an equidigital number, since it uses as much as digits as its factorization.

1140086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570045.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1140086 is about 1067.7480976335. The cubic root of 1140086 is about 104.4670194986.

Adding to 1140086 its reverse (6800411), we get a palindrome (7940497).

The spelling of 1140086 in words is "one million, one hundred forty thousand, eighty-six".