1117239671 has 2 divisors, whose sum is σ = 1117239672. Its totient is φ = 1117239670.

The previous prime is 1117239647. The next prime is 1117239707. The reversal of 1117239671 is 1769327111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117239671 - 2¹⁴ = 1117223287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117239601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558619835 + 558619836.

It is an arithmetic number, because the mean of its divisors is an integer number (558619836).

Almost surely, 2^1117239671 is an apocalyptic number.

1117239671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117239671 is an equidigital number, since it uses as much as digits as its factorization.

1117239671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 38.

The square root of 1117239671 is about 33425.1353176019. The cubic root of 1117239671 is about 1037.6449642313.

The spelling of 1117239671 in words is "one billion, one hundred seventeen million, two hundred thirty-nine thousand, six hundred seventy-one".