1140200111 has 4 divisors (see below), whose sum is σ = 1140349752. Its totient is φ = 1140050472.

The previous prime is 1140200069. The next prime is 1140200123. The reversal of 1140200111 is 1110020411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110020411 = 23 ⋅48261757.

It is a cyclic number.

It is not a de Polignac number, because 1140200111 - 2¹⁰ = 1140199087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140200092 and 1140200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62741 + ... + 78846.

It is an arithmetic number, because the mean of its divisors is an integer number (285087438).

Almost surely, 2^1140200111 is an apocalyptic number.

1140200111 is a deficient number, since it is larger than the sum of its proper divisors (149641).

1140200111 is an equidigital number, since it uses as much as digits as its factorization.

1140200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149640.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1140200111 is about 33766.8492903913. The cubic root of 1140200111 is about 1044.7050474394.

Adding to 1140200111 its reverse (1110020411), we get a palindrome (2250220522).

The spelling of 1140200111 in words is "one billion, one hundred forty million, two hundred thousand, one hundred eleven".