1171216 has 20 divisors (see below), whose sum is σ = 2303424. Its totient is φ = 576800.

The previous prime is 1171207. The next prime is 1171231. The reversal of 1171216 is 6121711.

It is a pancake number, because a pancake can be divided into 1171216 parts by 1530 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 1171193 and 1171202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621 + ... + 1651.

2^1171216 is an apocalyptic number.

1171216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1171216 is a deficient number, since it is larger than the sum of its proper divisors (1132208).

1171216 is a wasteful number, since it uses less digits than its factorization.

1171216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1104 counting only the distinct ones).

The product of its digits is 84, while the sum is 19.

The square root of 1171216 is about 1082.2273328650. The cubic root of 1171216 is about 105.4093168926.

Adding to 1171216 its reverse (6121711), we get a palindrome (7292927).

The spelling of 1171216 in words is "one million, one hundred seventy-one thousand, two hundred sixteen".