112451309 has 2 divisors, whose sum is σ = 112451310. Its totient is φ = 112451308.

The previous prime is 112451293. The next prime is 112451333. The reversal of 112451309 is 903154211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74874409 + 37576900 = 8653^2 + 6130^2 .

It is an emirp because it is prime and its reverse (903154211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112451309 - 2⁴ = 112451293 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 (112451359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56225654 + 56225655.

It is an arithmetic number, because the mean of its divisors is an integer number (56225655).

Almost surely, 2^112451309 is an apocalyptic number.

It is an amenable number.

112451309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112451309 is an equidigital number, since it uses as much as digits as its factorization.

112451309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 112451309 is about 10604.3061536340. The cubic root of 112451309 is about 482.6750368547.

The spelling of 112451309 in words is "one hundred twelve million, four hundred fifty-one thousand, three hundred nine".