101684087 has 2 divisors, whose sum is σ = 101684088. Its totient is φ = 101684086.

The previous prime is 101684083. The next prime is 101684117. The reversal of 101684087 is 780486101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101684087 - 2² = 101684083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101684083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50842043 + 50842044.

It is an arithmetic number, because the mean of its divisors is an integer number (50842044).

Almost surely, 2^101684087 is an apocalyptic number.

101684087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101684087 is an equidigital number, since it uses as much as digits as its factorization.

101684087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 101684087 is about 10083.8527855180. The cubic root of 101684087 is about 466.7500049010.

The spelling of 101684087 in words is "one hundred one million, six hundred eighty-four thousand, eighty-seven".