1142859067 has 4 divisors (see below), whose sum is σ = 1306124656. Its totient is φ = 979593480.

The previous prime is 1142859059. The next prime is 1142859083. The reversal of 1142859067 is 7609582411.

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 1142859067 - 2³ = 1142859059 is a prime.

It is a super-2 number, since 2×1142859067² = 2612253694048220978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142859967) 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, 81632784 + ... + 81632797.

It is an arithmetic number, because the mean of its divisors is an integer number (326531164).

Almost surely, 2^1142859067 is an apocalyptic number.

1142859067 is a deficient number, since it is larger than the sum of its proper divisors (163265589).

1142859067 is an equidigital number, since it uses as much as digits as its factorization.

1142859067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163265588.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1142859067 is about 33806.1986475853. The cubic root of 1142859067 is about 1045.5165039013.

The spelling of 1142859067 in words is "one billion, one hundred forty-two million, eight hundred fifty-nine thousand, sixty-seven".