1112102009 has 2 divisors, whose sum is σ = 1112102010. Its totient is φ = 1112102008.

The previous prime is 1112101997. The next prime is 1112102083. The reversal of 1112102009 is 9002012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1089330025 + 22771984 = 33005^2 + 4772^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112102009 - 2¹² = 1112097913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1112102909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556051004 + 556051005.

It is an arithmetic number, because the mean of its divisors is an integer number (556051005).

Almost surely, 2^1112102009 is an apocalyptic number.

It is an amenable number.

1112102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112102009 is an equidigital number, since it uses as much as digits as its factorization.

1112102009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1112102009 is about 33348.1934893031. The cubic root of 1112102009 is about 1036.0519721819.

The spelling of 1112102009 in words is "one billion, one hundred twelve million, one hundred two thousand, nine".