1170215 has 4 divisors (see below), whose sum is σ = 1404264. Its totient is φ = 936168.

The previous prime is 1170209. The next prime is 1170233. The reversal of 1170215 is 5120711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1170215 - 2¹⁰ = 1169191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1170193 and 1170202.

It is a congruent number.

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, 117017 + ... + 117026.

It is an arithmetic number, because the mean of its divisors is an integer number (351066).

2^1170215 is an apocalyptic number.

1170215 is a deficient number, since it is larger than the sum of its proper divisors (234049).

1170215 is an equidigital number, since it uses as much as digits as its factorization.

1170215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234048.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1170215 is about 1081.7647618591. The cubic root of 1170215 is about 105.3792783684.

Adding to 1170215 its reverse (5120711), we get a palindrome (6290926).

The spelling of 1170215 in words is "one million, one hundred seventy thousand, two hundred fifteen".