101648971 has 2 divisors, whose sum is σ = 101648972. Its totient is φ = 101648970.

The previous prime is 101648957. The next prime is 101648977. The reversal of 101648971 is 179846101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101648971 - 2¹³ = 101640779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101648971.

It is not a weakly prime, because it can be changed into another prime (101648977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50824485 + 50824486.

It is an arithmetic number, because the mean of its divisors is an integer number (50824486).

Almost surely, 2^101648971 is an apocalyptic number.

101648971 is a deficient number, since it is larger than the sum of its proper divisors (1).

101648971 is an equidigital number, since it uses as much as digits as its factorization.

101648971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 101648971 is about 10082.1114356071. Note that the first 3 decimals coincide. The cubic root of 101648971 is about 466.6962689272.

The spelling of 101648971 in words is "one hundred one million, six hundred forty-eight thousand, nine hundred seventy-one".