1170216 has 24 divisors (see below), whose sum is σ = 3169530. Its totient is φ = 390048.

The previous prime is 1170209. The next prime is 1170233. The reversal of 1170216 is 6120711.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 260100 = 954^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8055 + ... + 8198.

2^1170216 is an apocalyptic number.

It is an amenable number.

1170216 is an abundant number, since it is smaller than the sum of its proper divisors (1999314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1170216 is a wasteful number, since it uses less digits than its factorization.

1170216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16265 (or 16258 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1170216 is about 1081.7652240667. The cubic root of 1170216 is about 105.3793083855.

Adding to 1170216 its reverse (6120711), we get a palindrome (7290927).

The spelling of 1170216 in words is "one million, one hundred seventy thousand, two hundred sixteen".