1801141 has 4 divisors (see below), whose sum is σ = 1843072. Its totient is φ = 1759212.

The previous prime is 1801117. The next prime is 1801187. The reversal of 1801141 is 1411081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1801141 - 2⁵ = 1801109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1811141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20901 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (460768).

2^1801141 is an apocalyptic number.

It is an amenable number.

1801141 is a deficient number, since it is larger than the sum of its proper divisors (41931).

1801141 is an equidigital number, since it uses as much as digits as its factorization.

1801141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41930.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1801141 is about 1342.0659447285. The cubic root of 1801141 is about 121.6697374175.

The spelling of 1801141 in words is "one million, eight hundred one thousand, one hundred forty-one".