1140511 has 4 divisors (see below), whose sum is σ = 1147672. Its totient is φ = 1133352.

The previous prime is 1140493. The next prime is 1140533. The reversal of 1140511 is 1150411.

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 1140511 - 2⁷ = 1140383 is a prime.

It is a super-2 number, since 2×1140511² = 2601530682242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140491 and 1140500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140571) 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, 3336 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (286918).

2^1140511 is an apocalyptic number.

1140511 is a deficient number, since it is larger than the sum of its proper divisors (7161).

1140511 is an equidigital number, since it uses as much as digits as its factorization.

1140511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1140511 is about 1067.9470960680. The cubic root of 1140511 is about 104.4799989193.

Adding to 1140511 its reverse (1150411), we get a palindrome (2290922).

The spelling of 1140511 in words is "one million, one hundred forty thousand, five hundred eleven".