112266509 has 2 divisors, whose sum is σ = 112266510. Its totient is φ = 112266508.

The previous prime is 112266499. The next prime is 112266529. The reversal of 112266509 is 905662211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87366409 + 24900100 = 9347^2 + 4990^2 .

It is a cyclic number.

It is not a de Polignac number, because 112266509 - 2⁴ = 112266493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112266529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56133254 + 56133255.

It is an arithmetic number, because the mean of its divisors is an integer number (56133255).

Almost surely, 2^112266509 is an apocalyptic number.

It is an amenable number.

112266509 is a deficient number, since it is larger than the sum of its proper divisors (1).

112266509 is an equidigital number, since it uses as much as digits as its factorization.

112266509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 112266509 is about 10595.5891294444. The cubic root of 112266509 is about 482.4104860476.

The spelling of 112266509 in words is "one hundred twelve million, two hundred sixty-six thousand, five hundred nine".