112378309 has 2 divisors, whose sum is σ = 112378310. Its totient is φ = 112378308.

The previous prime is 112378291. The next prime is 112378319. The reversal of 112378309 is 903873211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95609284 + 16769025 = 9778^2 + 4095^2 .

It is a cyclic number.

It is not a de Polignac number, because 112378309 - 2¹³ = 112370117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112378319) 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, 56189154 + 56189155.

It is an arithmetic number, because the mean of its divisors is an integer number (56189155).

Almost surely, 2^112378309 is an apocalyptic number.

It is an amenable number.

112378309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112378309 is an equidigital number, since it uses as much as digits as its factorization.

112378309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 112378309 is about 10600.8635968962. The cubic root of 112378309 is about 482.5705682175.

The spelling of 112378309 in words is "one hundred twelve million, three hundred seventy-eight thousand, three hundred nine".