1027100081 has 8 divisors (see below), whose sum is σ = 1235609280. Its totient is φ = 834036048.

The previous prime is 1027100059. The next prime is 1027100083. The reversal of 1027100081 is 1800017201.

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 1027100081 - 2¹⁴ = 1027083697 is a prime.

It is a super-2 number, since 2×1027100081² = 2109869152780413122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027100083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861146 + ... + 3861411.

It is an arithmetic number, because the mean of its divisors is an integer number (154451160).

Almost surely, 2^1027100081 is an apocalyptic number.

It is an amenable number.

1027100081 is a deficient number, since it is larger than the sum of its proper divisors (208509199).

1027100081 is an equidigital number, since it uses as much as digits as its factorization.

1027100081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722583.

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

The square root of 1027100081 is about 32048.4021598581. The cubic root of 1027100081 is about 1008.9529655314.

Adding to 1027100081 its reverse (1800017201), we get a palindrome (2827117282).

The spelling of 1027100081 in words is "one billion, twenty-seven million, one hundred thousand, eighty-one".