1801124 has 24 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 787104.

The previous prime is 1801117. The next prime is 1801187. The reversal of 1801124 is 4211081.

It is an Ulam number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (148960).

2^1801124 is an apocalyptic number.

It is an amenable number.

1801124 is a deficient number, since it is larger than the sum of its proper divisors (1773916).

1801124 is a wasteful number, since it uses less digits than its factorization.

1801124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1801124 is about 1342.0596111947. The cubic root of 1801124 is about 121.6693546246.

The spelling of 1801124 in words is "one million, eight hundred one thousand, one hundred twenty-four".