101226647 has 2 divisors, whose sum is σ = 101226648. Its totient is φ = 101226646.

The previous prime is 101226637. The next prime is 101226667. The reversal of 101226647 is 746622101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101226647 - 2²² = 97032343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101226637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50613323 + 50613324.

It is an arithmetic number, because the mean of its divisors is an integer number (50613324).

Almost surely, 2^101226647 is an apocalyptic number.

101226647 is a deficient number, since it is larger than the sum of its proper divisors (1).

101226647 is an equidigital number, since it uses as much as digits as its factorization.

101226647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 101226647 is about 10061.1454119300. The cubic root of 101226647 is about 466.0490394584.

Adding to 101226647 its reverse (746622101), we get a palindrome (847848748).

The spelling of 101226647 in words is "one hundred one million, two hundred twenty-six thousand, six hundred forty-seven".