1142111179 has 4 divisors (see below), whose sum is σ = 1245939480. Its totient is φ = 1038282880.

The previous prime is 1142111167. The next prime is 1142111209. The reversal of 1142111179 is 9711112411.

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 1142111179 - 2¹³ = 1142102987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142111149) 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, 51914134 + ... + 51914155.

It is an arithmetic number, because the mean of its divisors is an integer number (311484870).

Almost surely, 2^1142111179 is an apocalyptic number.

1142111179 is a deficient number, since it is larger than the sum of its proper divisors (103828301).

1142111179 is a wasteful number, since it uses less digits than its factorization.

1142111179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103828300.

The product of its digits is 504, while the sum is 28.

The square root of 1142111179 is about 33795.1354339645. The cubic root of 1142111179 is about 1045.2883918221.

The spelling of 1142111179 in words is "one billion, one hundred forty-two million, one hundred eleven thousand, one hundred seventy-nine".