1801134 has 24 divisors (see below), whose sum is σ = 3987360. Its totient is φ = 587328.

The previous prime is 1801117. The next prime is 1801187. The reversal of 1801134 is 4311081.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (166140).

2^1801134 is an apocalyptic number.

1801134 is an abundant number, since it is smaller than the sum of its proper divisors (2186226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801134 is a wasteful number, since it uses less digits than its factorization.

1801134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1801134 is about 1342.0633368064. The cubic root of 1801134 is about 121.6695797972.

The spelling of 1801134 in words is "one million, eight hundred one thousand, one hundred thirty-four".