1117031 has 2 divisors, whose sum is σ = 1117032. Its totient is φ = 1117030.

The previous prime is 1117027. The next prime is 1117033. The reversal of 1117031 is 1307111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1117031 - 2² = 1117027 is a prime.

It is a super-2 number, since 2×1117031² = 2495516509922, which contains 22 as substring.

Together with 1117033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1116997 and 1117015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558515 + 558516.

It is an arithmetic number, because the mean of its divisors is an integer number (558516).

2^1117031 is an apocalyptic number.

1117031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117031 is an equidigital number, since it uses as much as digits as its factorization.

1117031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 1117031 is about 1056.8968729256. The cubic root of 1117031 is about 103.7580358609.

The spelling of 1117031 in words is "one million, one hundred seventeen thousand, thirty-one".