1028101001 has 16 divisors (see below), whose sum is σ = 1091525760. Its totient is φ = 965652480.

The previous prime is 1028100977. The next prime is 1028101013. The reversal of 1028101001 is 1001018201.

It is a cyclic number.

It is not a de Polignac number, because 1028101001 - 2¹⁸ = 1027838857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028101051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518275 + ... + 1518951.

It is an arithmetic number, because the mean of its divisors is an integer number (68220360).

Almost surely, 2^1028101001 is an apocalyptic number.

It is an amenable number.

1028101001 is a deficient number, since it is larger than the sum of its proper divisors (63424759).

1028101001 is a wasteful number, since it uses less digits than its factorization.

1028101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1028101001 is about 32064.0141123971. The cubic root of 1028101001 is about 1009.2806042727.

Adding to 1028101001 its reverse (1001018201), we get a palindrome (2029119202).

The spelling of 1028101001 in words is "one billion, twenty-eight million, one hundred one thousand, one".