1140011 has 4 divisors (see below), whose sum is σ = 1143000. Its totient is φ = 1137024.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140011 is 1100411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140011 - 2¹⁰ = 1138987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (285750).

2^1140011 is an apocalyptic number.

1140011 is a deficient number, since it is larger than the sum of its proper divisors (2989).

1140011 is an equidigital number, since it uses as much as digits as its factorization.

1140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1140011 is about 1067.7129764127. The cubic root of 1140011 is about 104.4647286777.

Adding to 1140011 its reverse (1100411), we get a palindrome (2240422).

It can be divided in two parts, 11400 and 11, that added together give a palindrome (11411).

The spelling of 1140011 in words is "one million, one hundred forty thousand, eleven".