4161131 has 16 divisors (see below), whose sum is σ = 4736928. Its totient is φ = 3628800.

The previous prime is 4161119. The next prime is 4161149. The reversal of 4161131 is 1311614.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4161131 is a prime.

It is a super-2 number, since 2×4161131² = 34630022398322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19616 + ... + 19826.

It is an arithmetic number, because the mean of its divisors is an integer number (296058).

Almost surely, 2^4161131 is an apocalyptic number.

4161131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4161131 is a deficient number, since it is larger than the sum of its proper divisors (575797).

4161131 is a wasteful number, since it uses less digits than its factorization.

4161131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its digits is 72, while the sum is 17.

The square root of 4161131 is about 2039.8850457808. The cubic root of 4161131 is about 160.8436041538.

Adding to 4161131 its reverse (1311614), we get a palindrome (5472745).

The spelling of 4161131 in words is "four million, one hundred sixty-one thousand, one hundred thirty-one".