1233215 has 4 divisors (see below), whose sum is σ = 1479864. Its totient is φ = 986568.

The previous prime is 1233209. The next prime is 1233241. The reversal of 1233215 is 5123321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233215 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233193 and 1233202.

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, 123317 + ... + 123326.

It is an arithmetic number, because the mean of its divisors is an integer number (369966).

2^1233215 is an apocalyptic number.

1233215 is a deficient number, since it is larger than the sum of its proper divisors (246649).

1233215 is an equidigital number, since it uses as much as digits as its factorization.

1233215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246648.

The product of its digits is 180, while the sum is 17.

The square root of 1233215 is about 1110.5021386742. The cubic root of 1233215 is about 107.2373976133.

Adding to 1233215 its reverse (5123321), we get a palindrome (6356536).

It can be divided in two parts, 123321 and 5, that multiplied together give a triangular number (616605 = T₁₁₁₀).

The spelling of 1233215 in words is "one million, two hundred thirty-three thousand, two hundred fifteen".