1198215 has 12 divisors (see below), whose sum is σ = 2076984. Its totient is φ = 639024.

The previous prime is 1198201. The next prime is 1198217. The reversal of 1198215 is 5128911.

It is not a de Polignac number, because 1198215 - 2⁶ = 1198151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13269 + ... + 13358.

It is an arithmetic number, because the mean of its divisors is an integer number (173082).

2^1198215 is an apocalyptic number.

1198215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1198215 is a deficient number, since it is larger than the sum of its proper divisors (878769).

1198215 is a wasteful number, since it uses less digits than its factorization.

1198215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26638 (or 26635 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1198215 is about 1094.6300745001. The cubic root of 1198215 is about 106.2131406171.

The spelling of 1198215 in words is "one million, one hundred ninety-eight thousand, two hundred fifteen".