1198874455 has 8 divisors (see below), whose sum is σ = 1441172304. Its totient is φ = 957417600.

The previous prime is 1198874447. The next prime is 1198874477. The reversal of 1198874455 is 5544788911.

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

It is not a de Polignac number, because 1198874455 - 2³ = 1198874447 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, 207106 + ... + 212815.

It is an arithmetic number, because the mean of its divisors is an integer number (180146538).

Almost surely, 2^1198874455 is an apocalyptic number.

1198874455 is a deficient number, since it is larger than the sum of its proper divisors (242297849).

1198874455 is an equidigital number, since it uses as much as digits as its factorization.

1198874455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420497.

The product of its digits is 1612800, while the sum is 52.

The square root of 1198874455 is about 34624.7664974076. The cubic root of 1198874455 is about 1062.3262235751.

The spelling of 1198874455 in words is "one billion, one hundred ninety-eight million, eight hundred seventy-four thousand, four hundred fifty-five".