1170047 has 4 divisors (see below), whose sum is σ = 1174056. Its totient is φ = 1166040.

The previous prime is 1170031. The next prime is 1170049. The reversal of 1170047 is 7400711.

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 1170047 - 2⁴ = 1170031 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 (1170049) 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, 1529 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (293514).

2^1170047 is an apocalyptic number.

1170047 is a deficient number, since it is larger than the sum of its proper divisors (4009).

1170047 is an equidigital number, since it uses as much as digits as its factorization.

1170047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1170047 is about 1081.6871081787. The cubic root of 1170047 is about 105.3742352592.

Adding to 1170047 its reverse (7400711), we get a palindrome (8570758).

The spelling of 1170047 in words is "one million, one hundred seventy thousand, forty-seven".