112321009 has 2 divisors, whose sum is σ = 112321010. Its totient is φ = 112321008.

The previous prime is 112320979. The next prime is 112321037. The reversal of 112321009 is 900123211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 278784 = 10585^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 112321009 - 2⁵ = 112320977 is a prime.

It is not a weakly prime, because it can be changed into another prime (112321109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56160504 + 56160505.

It is an arithmetic number, because the mean of its divisors is an integer number (56160505).

Almost surely, 2^112321009 is an apocalyptic number.

It is an amenable number.

112321009 is a deficient number, since it is larger than the sum of its proper divisors (1).

112321009 is an equidigital number, since it uses as much as digits as its factorization.

112321009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 112321009 is about 10598.1606423002. The cubic root of 112321009 is about 482.4885357957.

The spelling of 112321009 in words is "one hundred twelve million, three hundred twenty-one thousand, nine".