1173967 has 4 divisors (see below), whose sum is σ = 1176136. Its totient is φ = 1171800.

The previous prime is 1173961. The next prime is 1173979. The reversal of 1173967 is 7693711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7693711 = 227 ⋅33893.

It is a cyclic number.

It is not a de Polignac number, because 1173967 - 2³ = 1173959 is a prime.

It is a Duffinian number.

1173967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173961) 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 3 ways as a sum of consecutive naturals, for example, 493 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (294034).

2^1173967 is an apocalyptic number.

1173967 is a deficient number, since it is larger than the sum of its proper divisors (2169).

1173967 is a wasteful number, since it uses less digits than its factorization.

1173967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its digits is 7938, while the sum is 34.

The square root of 1173967 is about 1083.4975772931. The cubic root of 1173967 is about 105.4917822639.

The spelling of 1173967 in words is "one million, one hundred seventy-three thousand, nine hundred sixty-seven".