101028771 has 6 divisors (see below), whose sum is σ = 145930460. Its totient is φ = 67352508.

The previous prime is 101028769. The next prime is 101028787. The reversal of 101028771 is 177820101.

It is not a de Polignac number, because 101028771 - 2¹ = 101028769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101028761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5612701 + ... + 5612718.

Almost surely, 2^101028771 is an apocalyptic number.

101028771 is a deficient number, since it is larger than the sum of its proper divisors (44901689).

101028771 is a wasteful number, since it uses less digits than its factorization.

101028771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225425 (or 11225422 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 101028771 is about 10051.3069299470. The cubic root of 101028771 is about 465.7451666550.

Adding to 101028771 its reverse (177820101), we get a palindrome (278848872).

The spelling of 101028771 in words is "one hundred one million, twenty-eight thousand, seven hundred seventy-one".