1113671 has 4 divisors (see below), whose sum is σ = 1199352. Its totient is φ = 1027992.

The previous prime is 1113667. The next prime is 1113701. The reversal of 1113671 is 1763111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113671 - 2² = 1113667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113971) 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, 42821 + ... + 42846.

It is an arithmetic number, because the mean of its divisors is an integer number (299838).

2^1113671 is an apocalyptic number.

1113671 is a deficient number, since it is larger than the sum of its proper divisors (85681).

1113671 is an equidigital number, since it uses as much as digits as its factorization.

1113671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85680.

The product of its digits is 126, while the sum is 20.

The square root of 1113671 is about 1055.3061167263. The cubic root of 1113671 is about 103.6538975575.

Adding to 1113671 its reverse (1763111), we get a palindrome (2876782).

The spelling of 1113671 in words is "one million, one hundred thirteen thousand, six hundred seventy-one".