1206215 has 8 divisors (see below), whose sum is σ = 1523760. Its totient is φ = 914112.

The previous prime is 1206209. The next prime is 1206223. The reversal of 1206215 is 5126021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1206215 - 2⁴ = 1206199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206193 and 1206202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6254 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (190470).

2^1206215 is an apocalyptic number.

1206215 is a deficient number, since it is larger than the sum of its proper divisors (317545).

1206215 is a wasteful number, since it uses less digits than its factorization.

1206215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1206215 is about 1098.2781979080. The cubic root of 1206215 is about 106.4489973043.

The spelling of 1206215 in words is "one million, two hundred six thousand, two hundred fifteen".