1198575 has 36 divisors (see below), whose sum is σ = 2456688. Its totient is φ = 547200.

The previous prime is 1198537. The next prime is 1198583. The reversal of 1198575 is 5758911.

It is not a de Polignac number, because 1198575 - 2⁶ = 1198511 is a prime.

1198575 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1195 + ... + 1955.

2^1198575 is an apocalyptic number.

1198575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1198575 is an abundant number, since it is smaller than the sum of its proper divisors (1258113).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198575 is a wasteful number, since it uses less digits than its factorization.

1198575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 776 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The square root of 1198575 is about 1094.7945012650. The cubic root of 1198575 is about 106.2237766887.

The spelling of 1198575 in words is "one million, one hundred ninety-eight thousand, five hundred seventy-five".