1198270133 has 4 divisors (see below), whose sum is σ = 1198714848. Its totient is φ = 1197825420.

The previous prime is 1198270091. The next prime is 1198270219. The reversal of 1198270133 is 3310728911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1198270133 - 2¹⁰ = 1198269109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1198270093 and 1198270102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198270433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218291 + ... + 223712.

It is an arithmetic number, because the mean of its divisors is an integer number (299678712).

Almost surely, 2^1198270133 is an apocalyptic number.

It is an amenable number.

1198270133 is a deficient number, since it is larger than the sum of its proper divisors (444715).

1198270133 is an equidigital number, since it uses as much as digits as its factorization.

1198270133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444714.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1198270133 is about 34616.0386670688. The cubic root of 1198270133 is about 1062.1476964003.

The spelling of 1198270133 in words is "one billion, one hundred ninety-eight million, two hundred seventy thousand, one hundred thirty-three".