1084181 has 4 divisors (see below), whose sum is σ = 1239072. Its totient is φ = 929292.

The previous prime is 1084177. The next prime is 1084217. The reversal of 1084181 is 1814801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1814801 = 17 ⋅106753.

It is not a de Polignac number, because 1084181 - 2² = 1084177 is a prime.

It is a super-2 number, since 2×1084181² = 2350896881522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084981) 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, 77435 + ... + 77448.

It is an arithmetic number, because the mean of its divisors is an integer number (309768).

2^1084181 is an apocalyptic number.

It is an amenable number.

1084181 is a deficient number, since it is larger than the sum of its proper divisors (154891).

1084181 is an equidigital number, since it uses as much as digits as its factorization.

1084181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154890.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1084181 is about 1041.2401260036. The cubic root of 1084181 is about 102.7307827894.

Adding to 1084181 its reverse (1814801), we get a palindrome (2898982).

The spelling of 1084181 in words is "one million, eighty-four thousand, one hundred eighty-one".