113487771 has 8 divisors (see below), whose sum is σ = 153390160. Its totient is φ = 74621952.

The previous prime is 113487763. The next prime is 113487797. The reversal of 113487771 is 177784311.

It is a happy number.

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

It is not a de Polignac number, because 113487771 - 2³ = 113487763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113487721) 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 7 ways as a sum of consecutive naturals, for example, 258886 + ... + 259323.

It is an arithmetic number, because the mean of its divisors is an integer number (19173770).

Almost surely, 2^113487771 is an apocalyptic number.

113487771 is a deficient number, since it is larger than the sum of its proper divisors (39902389).

113487771 is an equidigital number, since it uses as much as digits as its factorization.

113487771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518285.

The product of its digits is 32928, while the sum is 39.

The square root of 113487771 is about 10653.0639254629. The cubic root of 113487771 is about 484.1534401263.

The spelling of 113487771 in words is "one hundred thirteen million, four hundred eighty-seven thousand, seven hundred seventy-one".