1028260101 has 8 divisors (see below), whose sum is σ = 1495651104. Its totient is φ = 623187920.

The previous prime is 1028260099. The next prime is 1028260109. The reversal of 1028260101 is 1010628201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028260101 - 2¹ = 1028260099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028260109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15579666 + ... + 15579731.

It is an arithmetic number, because the mean of its divisors is an integer number (186956388).

Almost surely, 2^1028260101 is an apocalyptic number.

1028260101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1028260101 is a deficient number, since it is larger than the sum of its proper divisors (467391003).

1028260101 is a wasteful number, since it uses less digits than its factorization.

1028260101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31159411.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1028260101 is about 32066.4949908779. The cubic root of 1028260101 is about 1009.3326640935.

Adding to 1028260101 its reverse (1010628201), we get a palindrome (2038888302).

The spelling of 1028260101 in words is "one billion, twenty-eight million, two hundred sixty thousand, one hundred one".