1801134401 has 16 divisors (see below), whose sum is σ = 1997502720. Its totient is φ = 1610286480.

The previous prime is 1801134389. The next prime is 1801134437. The reversal of 1801134401 is 1044311081.

It is a happy number.

It is not a de Polignac number, because 1801134401 - 2¹⁰ = 1801133377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1801134481) 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, 542990 + ... + 546296.

It is an arithmetic number, because the mean of its divisors is an integer number (124843920).

Almost surely, 2^1801134401 is an apocalyptic number.

1801134401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1801134401 is a deficient number, since it is larger than the sum of its proper divisors (196368319).

1801134401 is a wasteful number, since it uses less digits than its factorization.

1801134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1801134401 is about 42439.7738094821. The cubic root of 1801134401 is about 1216.6958882663.

Adding to 1801134401 its reverse (1044311081), we get a palindrome (2845445482).

The spelling of 1801134401 in words is "one billion, eight hundred one million, one hundred thirty-four thousand, four hundred one".