1112343409 has 2 divisors, whose sum is σ = 1112343410. Its totient is φ = 1112343408.

The previous prime is 1112343403. The next prime is 1112343451. The reversal of 1112343409 is 9043432111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700131600 + 412211809 = 26460^2 + 20303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112343409 - 2⁵ = 1112343377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112343403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556171704 + 556171705.

It is an arithmetic number, because the mean of its divisors is an integer number (556171705).

Almost surely, 2^1112343409 is an apocalyptic number.

It is an amenable number.

1112343409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112343409 is an equidigital number, since it uses as much as digits as its factorization.

1112343409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1112343409 is about 33351.8126793732. The cubic root of 1112343409 is about 1036.1269307888.

The spelling of 1112343409 in words is "one billion, one hundred twelve million, three hundred forty-three thousand, four hundred nine".