1198146055 has 8 divisors (see below), whose sum is σ = 1438211232. Its totient is φ = 958226208.

The previous prime is 1198146041. The next prime is 1198146071. The reversal of 1198146055 is 5506418911.

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

It is a cyclic number.

It is not a de Polignac number, because 1198146055 - 2¹¹ = 1198144007 is a prime.

It is a super-2 number, since 2×1198146055² = 2871107938224126050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1198145999 and 1198146017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17284 + ... + 51913.

It is an arithmetic number, because the mean of its divisors is an integer number (179776404).

Almost surely, 2^1198146055 is an apocalyptic number.

1198146055 is a deficient number, since it is larger than the sum of its proper divisors (240065177).

1198146055 is an equidigital number, since it uses as much as digits as its factorization.

1198146055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72665.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 1198146055 is about 34614.2464167574. The cubic root of 1198146055 is about 1062.1110341855. Note that the first 3 decimals are identical.

The spelling of 1198146055 in words is "one billion, one hundred ninety-eight million, one hundred forty-six thousand, fifty-five".