1183215 has 32 divisors (see below), whose sum is σ = 2115072. Its totient is φ = 560000.

The previous prime is 1183213. The next prime is 1183241. The reversal of 1183215 is 5123811.

It is not a de Polignac number, because 1183215 - 2¹ = 1183213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1183191 and 1183200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1183211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11665 + ... + 11765.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2^1183215 is an apocalyptic number.

1183215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1183215 is a deficient number, since it is larger than the sum of its proper divisors (931857).

1183215 is a wasteful number, since it uses less digits than its factorization.

1183215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its digits is 240, while the sum is 21.

The square root of 1183215 is about 1087.7568662160. The cubic root of 1183215 is about 105.7680641363.

It can be divided in two parts, 118 and 3215, that added together give a palindrome (3333).

The spelling of 1183215 in words is "one million, one hundred eighty-three thousand, two hundred fifteen".