1105865039 has 2 divisors, whose sum is σ = 1105865040. Its totient is φ = 1105865038.

The previous prime is 1105865029. The next prime is 1105865053. The reversal of 1105865039 is 9305685011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105865039 - 2⁴ = 1105865023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105864993 and 1105865011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105865029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552932519 + 552932520.

It is an arithmetic number, because the mean of its divisors is an integer number (552932520).

Almost surely, 2^1105865039 is an apocalyptic number.

1105865039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105865039 is an equidigital number, since it uses as much as digits as its factorization.

1105865039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1105865039 is about 33254.5491474475. The cubic root of 1105865039 is about 1034.1115198718. Note that the first 3 decimals are identical.

The spelling of 1105865039 in words is "one billion, one hundred five million, eight hundred sixty-five thousand, thirty-nine".