1089801 has 16 divisors (see below), whose sum is σ = 1630720. Its totient is φ = 719280.

The previous prime is 1089799. The next prime is 1089841.

1089801 = T₆ + T₇ + ... + T₁₈₆.

1089801 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1089801 - 2¹ = 1089799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1089841) 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, 4776 + ... + 4998.

It is an arithmetic number, because the mean of its divisors is an integer number (101920).

2^1089801 is an apocalyptic number.

It is an amenable number.

1089801 is a deficient number, since it is larger than the sum of its proper divisors (540919).

1089801 is a wasteful number, since it uses less digits than its factorization.

1089801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1089801 is about 1043.9353428254. The cubic root of 1089801 is about 102.9079832989.

The spelling of 1089801 in words is "one million, eighty-nine thousand, eight hundred one".