113571 has 6 divisors (see below), whose sum is σ = 164060. Its totient is φ = 75708.

The previous prime is 113567. The next prime is 113591. The reversal of 113571 is 175311.

It is a happy number.

It is not a de Polignac number, because 113571 - 2² = 113567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6301 + ... + 6318.

2¹¹³⁵⁷¹ is an apocalyptic number.

113571 is a deficient number, since it is larger than the sum of its proper divisors (50489).

113571 is a wasteful number, since it uses less digits than its factorization.

113571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625 (or 12622 counting only the distinct ones).

The product of its digits is 105, while the sum is 18.

The square root of 113571 is about 337.0029673460. The cubic root of 113571 is about 48.4271766415.

Adding to 113571 its reverse (175311), we get a palindrome (288882).

The spelling of 113571 in words is "one hundred thirteen thousand, five hundred seventy-one".