101117647 has 2 divisors, whose sum is σ = 101117648. Its totient is φ = 101117646.

The previous prime is 101117557. The next prime is 101117659. The reversal of 101117647 is 746711101.

It is a strong prime.

It is an emirp because it is prime and its reverse (746711101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101117647 - 2¹⁹ = 100593359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101117047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50558823 + 50558824.

It is an arithmetic number, because the mean of its divisors is an integer number (50558824).

Almost surely, 2^101117647 is an apocalyptic number.

101117647 is a deficient number, since it is larger than the sum of its proper divisors (1).

101117647 is an equidigital number, since it uses as much as digits as its factorization.

101117647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 101117647 is about 10055.7270746575. The cubic root of 101117647 is about 465.8817001554.

Adding to 101117647 its reverse (746711101), we get a palindrome (847828748).

The spelling of 101117647 in words is "one hundred one million, one hundred seventeen thousand, six hundred forty-seven".