1198522 has 16 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 534960.

The previous prime is 1198513. The next prime is 1198523. The reversal of 1198522 is 2258911.

It is not an unprimeable number, because it can be changed into a prime (1198523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

2^1198522 is an apocalyptic number.

1198522 is a deficient number, since it is larger than the sum of its proper divisors (801350).

1198522 is a wasteful number, since it uses less digits than its factorization.

1198522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its digits is 1440, while the sum is 28.

The square root of 1198522 is about 1094.7702955415. The cubic root of 1198522 is about 106.2222109563. Note that the first 4 decimals are identical.

The spelling of 1198522 in words is "one million, one hundred ninety-eight thousand, five hundred twenty-two".