1085192939 has 2 divisors, whose sum is σ = 1085192940. Its totient is φ = 1085192938.

The previous prime is 1085192839. The next prime is 1085192947. The reversal of 1085192939 is 9392915801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1085192939 - 2²⁸ = 816757483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1085192893 and 1085192902.

It is not a weakly prime, because it can be changed into another prime (1085192539) 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 as a sum of consecutive naturals, namely, 542596469 + 542596470.

It is an arithmetic number, because the mean of its divisors is an integer number (542596470).

Almost surely, 2^1085192939 is an apocalyptic number.

1085192939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085192939 is an equidigital number, since it uses as much as digits as its factorization.

1085192939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 1085192939 is about 32942.2667556439. The cubic root of 1085192939 is about 1027.6273469873.

The spelling of 1085192939 in words is "one billion, eighty-five million, one hundred ninety-two thousand, nine hundred thirty-nine".