1198885 has 8 divisors (see below), whose sum is σ = 1444896. Its totient is φ = 954960.

The previous prime is 1198877. The next prime is 1198903. The reversal of 1198885 is 5888911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1198885 - 2³ = 1198877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (180612).

2^1198885 is an apocalyptic number.

It is an amenable number.

1198885 is a deficient number, since it is larger than the sum of its proper divisors (246011).

1198885 is an equidigital number, since it uses as much as digits as its factorization.

1198885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 23040, while the sum is 40.

The square root of 1198885 is about 1094.9360711932. The cubic root of 1198885 is about 106.2329338218.

The spelling of 1198885 in words is "one million, one hundred ninety-eight thousand, eight hundred eighty-five".