1172473 has 6 divisors (see below), whose sum is σ = 1245806. Its totient is φ = 1103232.

The previous prime is 1172467. The next prime is 1172491. The reversal of 1172473 is 3742711.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 480249 + 692224 = 693^2 + 832^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1172473 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740 + ... + 2317.

2^1172473 is an apocalyptic number.

It is an amenable number.

1172473 is a deficient number, since it is larger than the sum of its proper divisors (73333).

1172473 is an equidigital number, since it uses as much as digits as its factorization.

1172473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091 (or 4074 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 1172473 is about 1082.8079238720. The cubic root of 1172473 is about 105.4470133659.

The spelling of 1172473 in words is "one million, one hundred seventy-two thousand, four hundred seventy-three".