112804309 has 2 divisors, whose sum is σ = 112804310. Its totient is φ = 112804308.

The previous prime is 112804291. The next prime is 112804331. The reversal of 112804309 is 903408211.

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., 93663684 + 19140625 = 9678^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 112804309 - 2¹⁵ = 112771541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112804709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56402154 + 56402155.

It is an arithmetic number, because the mean of its divisors is an integer number (56402155).

Almost surely, 2^112804309 is an apocalyptic number.

It is an amenable number.

112804309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112804309 is an equidigital number, since it uses as much as digits as its factorization.

112804309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 112804309 is about 10620.9372938550. The cubic root of 112804309 is about 483.1795702191.

The spelling of 112804309 in words is "one hundred twelve million, eight hundred four thousand, three hundred nine".