1040181 has 8 divisors (see below), whose sum is σ = 1424544. Its totient is φ = 674640.

The previous prime is 1040167. The next prime is 1040183. The reversal of 1040181 is 1810401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1040181 is a prime.

It is a super-2 number, since 2×1040181² = 2163953025522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4575 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (178068).

2^1040181 is an apocalyptic number.

It is an amenable number.

1040181 is a deficient number, since it is larger than the sum of its proper divisors (384363).

1040181 is an equidigital number, since it uses as much as digits as its factorization.

1040181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1040181 is about 1019.8926414089. The cubic root of 1040181 is about 101.3218176645.

Adding to 1040181 its reverse (1810401), we get a palindrome (2850582).

It can be divided in two parts, 1040 and 181, that added together give a palindrome (1221).

The spelling of 1040181 in words is "one million, forty thousand, one hundred eighty-one".