1142931086 has 16 divisors (see below), whose sum is σ = 1872211968. Its totient is φ = 518969400.

The previous prime is 1142931077. The next prime is 1142931089. The reversal of 1142931086 is 6801392411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142931089) 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 7 ways as a sum of consecutive naturals, for example, 5390 + ... + 48113.

It is an arithmetic number, because the mean of its divisors is an integer number (117013248).

Almost surely, 2^1142931086 is an apocalyptic number.

1142931086 is a deficient number, since it is larger than the sum of its proper divisors (729280882).

1142931086 is a wasteful number, since it uses less digits than its factorization.

1142931086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54487.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1142931086 is about 33807.2638052830. The cubic root of 1142931086 is about 1045.5384650435.

The spelling of 1142931086 in words is "one billion, one hundred forty-two million, nine hundred thirty-one thousand, eighty-six".