1106542439 has 2 divisors, whose sum is σ = 1106542440. Its totient is φ = 1106542438.

The previous prime is 1106542421. The next prime is 1106542441. The reversal of 1106542439 is 9342456011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1106542439 - 2²⁰ = 1105493863 is a prime.

Together with 1106542441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1106542399 and 1106542408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106542039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553271219 + 553271220.

It is an arithmetic number, because the mean of its divisors is an integer number (553271220).

Almost surely, 2^1106542439 is an apocalyptic number.

1106542439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106542439 is an equidigital number, since it uses as much as digits as its factorization.

1106542439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1106542439 is about 33264.7326608828. The cubic root of 1106542439 is about 1034.3226258492.

The spelling of 1106542439 in words is "one billion, one hundred six million, five hundred forty-two thousand, four hundred thirty-nine".