1106539243 has 2 divisors, whose sum is σ = 1106539244. Its totient is φ = 1106539242.

The previous prime is 1106539241. The next prime is 1106539249. The reversal of 1106539243 is 3429356011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1106539243 - 2¹ = 1106539241 is a prime.

Together with 1106539241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1106539199 and 1106539208.

It is not a weakly prime, because it can be changed into another prime (1106539241) 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, 553269621 + 553269622.

It is an arithmetic number, because the mean of its divisors is an integer number (553269622).

Almost surely, 2^1106539243 is an apocalyptic number.

1106539243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106539243 is an equidigital number, since it uses as much as digits as its factorization.

1106539243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1106539243 is about 33264.6846219831. The cubic root of 1106539243 is about 1034.3216300451.

The spelling of 1106539243 in words is "one billion, one hundred six million, five hundred thirty-nine thousand, two hundred forty-three".