1047117 has 4 divisors (see below), whose sum is σ = 1396160. Its totient is φ = 698076.

The previous prime is 1047107. The next prime is 1047119. The reversal of 1047117 is 7117401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7117401 = 3 ⋅2372467.

It is not a de Polignac number, because 1047117 - 2¹⁹ = 522829 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047093 and 1047102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047119) 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, 174517 + ... + 174522.

It is an arithmetic number, because the mean of its divisors is an integer number (349040).

2^1047117 is an apocalyptic number.

It is an amenable number.

1047117 is a deficient number, since it is larger than the sum of its proper divisors (349043).

1047117 is an equidigital number, since it uses as much as digits as its factorization.

1047117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349042.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 1047117 is about 1023.2873496726. The cubic root of 1047117 is about 101.5465259453.

The spelling of 1047117 in words is "one million, forty-seven thousand, one hundred seventeen".