1117672 has 8 divisors (see below), whose sum is σ = 2095650. Its totient is φ = 558832.

The previous prime is 1117661. The next prime is 1117673. The reversal of 1117672 is 2767111.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 401956 = 846^2 + 634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1117673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69847 + ... + 69862.

2^1117672 is an apocalyptic number.

It is an amenable number.

1117672 is a deficient number, since it is larger than the sum of its proper divisors (977978).

1117672 is a wasteful number, since it uses less digits than its factorization.

1117672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139715 (or 139711 counting only the distinct ones).

The product of its digits is 588, while the sum is 25.

The square root of 1117672 is about 1057.2000756716. The cubic root of 1117672 is about 103.7778789936. Note that the first 3 decimals are identical.

Adding to 1117672 its product of digits (588), we get a triangular number (1118260 = T₁₄₉₅).

The spelling of 1117672 in words is "one million, one hundred seventeen thousand, six hundred seventy-two".