112678409 has 2 divisors, whose sum is σ = 112678410. Its totient is φ = 112678408.

The previous prime is 112678381. The next prime is 112678421. The reversal of 112678409 is 904876211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 31047184 = 9035^2 + 5572^2 .

It is a cyclic number.

It is not a de Polignac number, because 112678409 - 2¹⁶ = 112612873 is a prime.

It is not a weakly prime, because it can be changed into another prime (112678469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56339204 + 56339205.

It is an arithmetic number, because the mean of its divisors is an integer number (56339205).

Almost surely, 2^112678409 is an apocalyptic number.

It is an amenable number.

112678409 is a deficient number, since it is larger than the sum of its proper divisors (1).

112678409 is an equidigital number, since it uses as much as digits as its factorization.

112678409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 112678409 is about 10615.0086669771. The cubic root of 112678409 is about 482.9997456658. Note that the first 3 decimals are identical.

The spelling of 112678409 in words is "one hundred twelve million, six hundred seventy-eight thousand, four hundred nine".