1120854839 has 4 divisors (see below), whose sum is σ = 1207074456. Its totient is φ = 1034635224.

The previous prime is 1120854827. The next prime is 1120854857. The reversal of 1120854839 is 9384580211.

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 1120854839 - 2⁸ = 1120854583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120854796 and 1120854805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120856839) 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 3 ways as a sum of consecutive naturals, for example, 43109789 + ... + 43109814.

It is an arithmetic number, because the mean of its divisors is an integer number (301768614).

Almost surely, 2^1120854839 is an apocalyptic number.

1120854839 is a deficient number, since it is larger than the sum of its proper divisors (86219617).

1120854839 is an equidigital number, since it uses as much as digits as its factorization.

1120854839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86219616.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1120854839 is about 33479.1702256791. The cubic root of 1120854839 is about 1038.7629642782.

The spelling of 1120854839 in words is "one billion, one hundred twenty million, eight hundred fifty-four thousand, eight hundred thirty-nine".