101020867 has 2 divisors, whose sum is σ = 101020868. Its totient is φ = 101020866.

The previous prime is 101020861. The next prime is 101020879. The reversal of 101020867 is 768020101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101020867 - 2¹⁵ = 100988099 is a prime.

It is not a weakly prime, because it can be changed into another prime (101020861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510433 + 50510434.

It is an arithmetic number, because the mean of its divisors is an integer number (50510434).

Almost surely, 2^101020867 is an apocalyptic number.

101020867 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020867 is an equidigital number, since it uses as much as digits as its factorization.

101020867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 101020867 is about 10050.9137395562. The cubic root of 101020867 is about 465.7330204588.

Adding to 101020867 its reverse (768020101), we get a palindrome (869040968).

The spelling of 101020867 in words is "one hundred one million, twenty thousand, eight hundred sixty-seven".