1052181 has 36 divisors (see below), whose sum is σ = 1811628. Its totient is φ = 582912.

The previous prime is 1052179. The next prime is 1052197. The reversal of 1052181 is 1812501.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 576081 = 690^2 + 759^2 .

It is not a de Polignac number, because 1052181 - 2¹ = 1052179 is a prime.

It is a super-2 number, since 2×1052181² = 2214169713522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052111) 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 35 ways as a sum of consecutive naturals, for example, 45736 + ... + 45758.

It is an arithmetic number, because the mean of its divisors is an integer number (50323).

2^1052181 is an apocalyptic number.

It is an amenable number.

1052181 is a deficient number, since it is larger than the sum of its proper divisors (759447).

1052181 is a wasteful number, since it uses less digits than its factorization.

1052181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1052181 is about 1025.7587435650. The cubic root of 1052181 is about 101.7099603602.

Adding to 1052181 its reverse (1812501), we get a palindrome (2864682).

The spelling of 1052181 in words is "one million, fifty-two thousand, one hundred eighty-one".