1142114111 has 12 divisors (see below), whose sum is σ = 1276301232. Its totient is φ = 1018350144.

The previous prime is 1142114089. The next prime is 1142114117. The reversal of 1142114111 is 1114112411.

It is not a de Polignac number, because 1142114111 - 2¹⁰ = 1142113087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142114111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142114117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86915 + ... + 99188.

It is an arithmetic number, because the mean of its divisors is an integer number (106358436).

Almost surely, 2^1142114111 is an apocalyptic number.

1142114111 is a deficient number, since it is larger than the sum of its proper divisors (134187121).

1142114111 is a wasteful number, since it uses less digits than its factorization.

1142114111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186158 (or 186139 counting only the distinct ones).

The product of its digits is 32, while the sum is 17.

The square root of 1142114111 is about 33795.1788129609. The cubic root of 1142114111 is about 1045.2892863010.

Adding to 1142114111 its reverse (1114112411), we get a palindrome (2256226522).

The spelling of 1142114111 in words is "one billion, one hundred forty-two million, one hundred fourteen thousand, one hundred eleven".