1106642239 has 2 divisors, whose sum is σ = 1106642240. Its totient is φ = 1106642238.

The previous prime is 1106642231. The next prime is 1106642267. The reversal of 1106642239 is 9322466011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9322466011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1106642239 - 2³ = 1106642231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106642231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553321119 + 553321120.

It is an arithmetic number, because the mean of its divisors is an integer number (553321120).

Almost surely, 2^1106642239 is an apocalyptic number.

1106642239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106642239 is an equidigital number, since it uses as much as digits as its factorization.

1106642239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1106642239 is about 33266.2327142705. The cubic root of 1106642239 is about 1034.3537203923.

The spelling of 1106642239 in words is "one billion, one hundred six million, six hundred forty-two thousand, two hundred thirty-nine".