112209997 has 2 divisors, whose sum is σ = 112209998. Its totient is φ = 112209996.

The previous prime is 112209971. The next prime is 112210003. The reversal of 112209997 is 799902211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102637161 + 9572836 = 10131^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 112209997 - 2⁷ = 112209869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112209947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56104998 + 56104999.

It is an arithmetic number, because the mean of its divisors is an integer number (56104999).

Almost surely, 2^112209997 is an apocalyptic number.

It is an amenable number.

112209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

112209997 is an equidigital number, since it uses as much as digits as its factorization.

112209997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 112209997 is about 10592.9220236911. The cubic root of 112209997 is about 482.3295282231.

The spelling of 112209997 in words is "one hundred twelve million, two hundred nine thousand, nine hundred ninety-seven".