1093971 has 4 divisors (see below), whose sum is σ = 1458632. Its totient is φ = 729312.

The previous prime is 1093969. The next prime is 1093991. The reversal of 1093971 is 1793901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1793901 = 3 ⋅597967.

It is not a de Polignac number, because 1093971 - 2¹ = 1093969 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093901) 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, 182326 + ... + 182331.

It is an arithmetic number, because the mean of its divisors is an integer number (364658).

2^1093971 is an apocalyptic number.

1093971 is a deficient number, since it is larger than the sum of its proper divisors (364661).

1093971 is an equidigital number, since it uses as much as digits as its factorization.

1093971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364660.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1093971 is about 1045.9306860399. The cubic root of 1093971 is about 103.0390714873.

The spelling of 1093971 in words is "one million, ninety-three thousand, nine hundred seventy-one".