1117923071 has 2 divisors, whose sum is σ = 1117923072. Its totient is φ = 1117923070.

The previous prime is 1117923061. The next prime is 1117923109. The reversal of 1117923071 is 1703297111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117923071 - 2¹⁸ = 1117660927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117923061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558961535 + 558961536.

It is an arithmetic number, because the mean of its divisors is an integer number (558961536).

Almost surely, 2^1117923071 is an apocalyptic number.

1117923071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117923071 is an equidigital number, since it uses as much as digits as its factorization.

1117923071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 1117923071 is about 33435.3566004611. The cubic root of 1117923071 is about 1037.8564921152.

The spelling of 1117923071 in words is "one billion, one hundred seventeen million, nine hundred twenty-three thousand, seventy-one".