1090800001 has 4 divisors (see below), whose sum is σ = 1138226112. Its totient is φ = 1043373892.

The previous prime is 1090799977. The next prime is 1090800037. The reversal of 1090800001 is 1000080901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1090800001 - 2⁷ = 1090799873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090800041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23713021 + ... + 23713066.

It is an arithmetic number, because the mean of its divisors is an integer number (284556528).

Almost surely, 2^1090800001 is an apocalyptic number.

It is an amenable number.

1090800001 is a deficient number, since it is larger than the sum of its proper divisors (47426111).

1090800001 is an equidigital number, since it uses as much as digits as its factorization.

1090800001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47426110.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1090800001 is about 33027.2614819939. The cubic root of 1090800001 is about 1029.3941832876.

Adding to 1090800001 its reverse (1000080901), we get a palindrome (2090880902).

The spelling of 1090800001 in words is "one billion, ninety million, eight hundred thousand, one".