1198485 has 12 divisors (see below), whose sum is σ = 2077452. Its totient is φ = 639168.

The previous prime is 1198481. The next prime is 1198511. The reversal of 1198485 is 5848911.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 288369 = 954^2 + 537^2 .

It is not a de Polignac number, because 1198485 - 2² = 1198481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198481) 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, 13272 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (173121).

2^1198485 is an apocalyptic number.

1198485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1198485 is a deficient number, since it is larger than the sum of its proper divisors (878967).

1198485 is a wasteful number, since it uses less digits than its factorization.

1198485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26644 (or 26641 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1198485 is about 1094.7533968890. The cubic root of 1198485 is about 106.2211178705.

The spelling of 1198485 in words is "one million, one hundred ninety-eight thousand, four hundred eighty-five".