1142084811 has 8 divisors (see below), whose sum is σ = 1740319744. Its totient is φ = 652619880.

The previous prime is 1142084767. The next prime is 1142084821. The reversal of 1142084811 is 1184802411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142084811 - 2¹³ = 1142076619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142084821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27192475 + ... + 27192516.

It is an arithmetic number, because the mean of its divisors is an integer number (217539968).

Almost surely, 2^1142084811 is an apocalyptic number.

1142084811 is a deficient number, since it is larger than the sum of its proper divisors (598234933).

1142084811 is an equidigital number, since it uses as much as digits as its factorization.

1142084811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54385001.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 1142084811 is about 33794.7453163950. The cubic root of 1142084811 is about 1045.2803475450.

The spelling of 1142084811 in words is "one billion, one hundred forty-two million, eighty-four thousand, eight hundred eleven".