1216235 has 8 divisors (see below), whose sum is σ = 1465776. Its totient is φ = 968800.

The previous prime is 1216213. The next prime is 1216249. The reversal of 1216235 is 5326121.

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

It is not a de Polignac number, because 1216235 - 2¹⁴ = 1199851 is a prime.

It is a super-3 number, since 3×1216235³ = 5397265049861333625, which contains 333 as substring.

It is a Duffinian 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, 1385 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (183222).

2^1216235 is an apocalyptic number.

1216235 is a deficient number, since it is larger than the sum of its proper divisors (249541).

1216235 is an equidigital number, since it uses as much as digits as its factorization.

1216235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its digits is 360, while the sum is 20.

The square root of 1216235 is about 1102.8304493439. The cubic root of 1216235 is about 106.7429413216.

The spelling of 1216235 in words is "one million, two hundred sixteen thousand, two hundred thirty-five".