1115743 has 2 divisors, whose sum is σ = 1115744. Its totient is φ = 1115742.

The previous prime is 1115731. The next prime is 1115759. The reversal of 1115743 is 3475111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115743 - 2⁵ = 1115711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557871 + 557872.

It is an arithmetic number, because the mean of its divisors is an integer number (557872).

2^1115743 is an apocalyptic number.

1115743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115743 is an equidigital number, since it uses as much as digits as its factorization.

1115743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 22.

The square root of 1115743 is about 1056.2873662030. The cubic root of 1115743 is about 103.7181408928.

The spelling of 1115743 in words is "one million, one hundred fifteen thousand, seven hundred forty-three".