1020101087 has 2 divisors, whose sum is σ = 1020101088. Its totient is φ = 1020101086.

The previous prime is 1020101057. The next prime is 1020101119. The reversal of 1020101087 is 7801010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020101087 - 2⁶ = 1020101023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020101057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510050543 + 510050544.

It is an arithmetic number, because the mean of its divisors is an integer number (510050544).

Almost surely, 2^1020101087 is an apocalyptic number.

1020101087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020101087 is an equidigital number, since it uses as much as digits as its factorization.

1020101087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1020101087 is about 31939.0213845071. The cubic root of 1020101087 is about 1006.6559622100.

Adding to 1020101087 its reverse (7801010201), we get a palindrome (8821111288).

The spelling of 1020101087 in words is "one billion, twenty million, one hundred one thousand, eighty-seven".