1198281 has 16 divisors (see below), whose sum is σ = 1869824. Its totient is φ = 668304.

The previous prime is 1198261. The next prime is 1198289. The reversal of 1198281 is 1828911.

It is not a de Polignac number, because 1198281 - 2⁶ = 1198217 is a prime.

It is a super-2 number, since 2×1198281² = 2871754709922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1198289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (116864).

2^1198281 is an apocalyptic number.

It is an amenable number.

1198281 is a deficient number, since it is larger than the sum of its proper divisors (671543).

1198281 is a wasteful number, since it uses less digits than its factorization.

1198281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its digits is 1152, while the sum is 30.

The square root of 1198281 is about 1094.6602212559. The cubic root of 1198281 is about 106.2150907230.

The spelling of 1198281 in words is "one million, one hundred ninety-eight thousand, two hundred eighty-one".