1106181 has 12 divisors (see below), whose sum is σ = 1616940. Its totient is φ = 728640.

The previous prime is 1106179. The next prime is 1106197. The reversal of 1106181 is 1816011.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 756900 = 591^2 + 870^2 .

It is not a de Polignac number, because 1106181 - 2¹ = 1106179 is a prime.

It is a super-2 number, since 2×1106181² = 2447272809522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111 + ... + 1491.

It is an arithmetic number, because the mean of its divisors is an integer number (134745).

2^1106181 is an apocalyptic number.

It is an amenable number.

1106181 is a deficient number, since it is larger than the sum of its proper divisors (510759).

1106181 is a wasteful number, since it uses less digits than its factorization.

1106181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1106181 is about 1051.7513964811. The cubic root of 1106181 is about 103.4209997168.

The spelling of 1106181 in words is "one million, one hundred six thousand, one hundred eighty-one".