101942887 has 2 divisors, whose sum is σ = 101942888. Its totient is φ = 101942886.

The previous prime is 101942873. The next prime is 101942921. The reversal of 101942887 is 788249101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101942887 - 2¹⁵ = 101910119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101942287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50971443 + 50971444.

It is an arithmetic number, because the mean of its divisors is an integer number (50971444).

Almost surely, 2^101942887 is an apocalyptic number.

101942887 is a deficient number, since it is larger than the sum of its proper divisors (1).

101942887 is an equidigital number, since it uses as much as digits as its factorization.

101942887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 101942887 is about 10096.6770276166. The cubic root of 101942887 is about 467.1456504394.

The spelling of 101942887 in words is "one hundred one million, nine hundred forty-two thousand, eight hundred eighty-seven".