1111342039 has 2 divisors, whose sum is σ = 1111342040. Its totient is φ = 1111342038.

The previous prime is 1111342019. The next prime is 1111342061. The reversal of 1111342039 is 9302431111.

It is a weak prime.

It is an emirp because it is prime and its reverse (9302431111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111342039 - 2¹⁹ = 1110817751 is a prime.

It is a super-2 number, since 2×1111342039² = 2470162255297355042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111342019) 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, 555671019 + 555671020.

It is an arithmetic number, because the mean of its divisors is an integer number (555671020).

Almost surely, 2^1111342039 is an apocalyptic number.

1111342039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111342039 is an equidigital number, since it uses as much as digits as its factorization.

1111342039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1111342039 is about 33336.7970717044. The cubic root of 1111342039 is about 1035.8159183451.

The spelling of 1111342039 in words is "one billion, one hundred eleven million, three hundred forty-two thousand, thirty-nine".