1089940801 has 8 divisors (see below), whose sum is σ = 1111059200. Its totient is φ = 1069005600.

The previous prime is 1089940769. The next prime is 1089940837. The reversal of 1089940801 is 1080499801.

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 1089940801 - 2⁵ = 1089940769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089940861) 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, 33756 + ... + 57613.

It is an arithmetic number, because the mean of its divisors is an integer number (138882400).

Almost surely, 2^1089940801 is an apocalyptic number.

It is an amenable number.

1089940801 is a deficient number, since it is larger than the sum of its proper divisors (21118399).

1089940801 is an equidigital number, since it uses as much as digits as its factorization.

1089940801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91599.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 1089940801 is about 33014.2514832610. The cubic root of 1089940801 is about 1029.1238349789.

The spelling of 1089940801 in words is "one billion, eighty-nine million, nine hundred forty thousand, eight hundred one".