1198812167 has 8 divisors (see below), whose sum is σ = 1370404512. Its totient is φ = 1027303200.

The previous prime is 1198812157. The next prime is 1198812169. The reversal of 1198812167 is 7612188911.

It is a happy number.

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

It is not a de Polignac number, because 1198812167 - 2¹⁶ = 1198746631 is a prime.

It is a super-2 number, since 2×1198812167² = 2874301223494471778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198812169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13817 + ... + 50877.

It is an arithmetic number, because the mean of its divisors is an integer number (171300564).

Almost surely, 2^1198812167 is an apocalyptic number.

1198812167 is a deficient number, since it is larger than the sum of its proper divisors (171592345).

1198812167 is an equidigital number, since it uses as much as digits as its factorization.

1198812167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41689.

The product of its digits is 48384, while the sum is 44.

The square root of 1198812167 is about 34623.8670139544. The cubic root of 1198812167 is about 1062.3078253957.

The spelling of 1198812167 in words is "one billion, one hundred ninety-eight million, eight hundred twelve thousand, one hundred sixty-seven".