1116872 has 8 divisors (see below), whose sum is σ = 2094150. Its totient is φ = 558432.

The previous prime is 1116859. The next prime is 1116887. The reversal of 1116872 is 2786111.

1116872 = T₂₉₃ + T₂₉₄ + ... + T₃₁₆.

It can be written as a sum of positive squares in only one way, i.e., 662596 + 454276 = 814^2 + 674^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69797 + ... + 69812.

2^1116872 is an apocalyptic number.

It is an amenable number.

1116872 is a deficient number, since it is larger than the sum of its proper divisors (977278).

1116872 is a wasteful number, since it uses less digits than its factorization.

1116872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139615 (or 139611 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

The square root of 1116872 is about 1056.8216500432. The cubic root of 1116872 is about 103.7531125983.

The spelling of 1116872 in words is "one million, one hundred sixteen thousand, eight hundred seventy-two".