101020879 has 2 divisors, whose sum is σ = 101020880. Its totient is φ = 101020878.

The previous prime is 101020867. The next prime is 101020883. The reversal of 101020879 is 978020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101020879 - 2²³ = 92632271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101020849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510439 + 50510440.

It is an arithmetic number, because the mean of its divisors is an integer number (50510440).

Almost surely, 2^101020879 is an apocalyptic number.

101020879 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020879 is an equidigital number, since it uses as much as digits as its factorization.

101020879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 101020879 is about 10050.9143365169. The cubic root of 101020879 is about 465.7330388999.

The spelling of 101020879 in words is "one hundred one million, twenty thousand, eight hundred seventy-nine".