101882861 has 2 divisors, whose sum is σ = 101882862. Its totient is φ = 101882860.

The previous prime is 101882857. The next prime is 101882863. The reversal of 101882861 is 168288101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77774761 + 24108100 = 8819^2 + 4910^2 .

It is a cyclic number.

It is not a de Polignac number, because 101882861 - 2² = 101882857 is a prime.

Together with 101882863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101882863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50941430 + 50941431.

It is an arithmetic number, because the mean of its divisors is an integer number (50941431).

Almost surely, 2^101882861 is an apocalyptic number.

It is an amenable number.

101882861 is a deficient number, since it is larger than the sum of its proper divisors (1).

101882861 is an equidigital number, since it uses as much as digits as its factorization.

101882861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 35.

The square root of 101882861 is about 10093.7040277591. The cubic root of 101882861 is about 467.0539442200.

The spelling of 101882861 in words is "one hundred one million, eight hundred eighty-two thousand, eight hundred sixty-one".