112671381 has 4 divisors (see below), whose sum is σ = 150228512. Its totient is φ = 75114252.

The previous prime is 112671353. The next prime is 112671389. The reversal of 112671381 is 183176211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112671381 - 2²² = 108477077 is a prime.

It is a super-2 number, since 2×112671381² = 25389680192894322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112671389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18778561 + ... + 18778566.

It is an arithmetic number, because the mean of its divisors is an integer number (37557128).

Almost surely, 2^112671381 is an apocalyptic number.

It is an amenable number.

112671381 is a deficient number, since it is larger than the sum of its proper divisors (37557131).

112671381 is an equidigital number, since it uses as much as digits as its factorization.

112671381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37557130.

The product of its digits is 2016, while the sum is 30.

The square root of 112671381 is about 10614.6776211056. The cubic root of 112671381 is about 482.9897035385.

The spelling of 112671381 in words is "one hundred twelve million, six hundred seventy-one thousand, three hundred eighty-one".