1117247 has 2 divisors, whose sum is σ = 1117248. Its totient is φ = 1117246.

The previous prime is 1117243. The next prime is 1117253. The reversal of 1117247 is 7427111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117247 - 2² = 1117243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558623 + 558624.

It is an arithmetic number, because the mean of its divisors is an integer number (558624).

2^1117247 is an apocalyptic number.

1117247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117247 is an equidigital number, since it uses as much as digits as its factorization.

1117247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 23.

The square root of 1117247 is about 1056.9990539258. Note that the first 3 decimals coincide. The cubic root of 1117247 is about 103.7647233181.

The spelling of 1117247 in words is "one million, one hundred seventeen thousand, two hundred forty-seven".