1198115000 has 40 divisors (see below), whose sum is σ = 2807195160. Its totient is φ = 479244000.

The previous prime is 1198114993. The next prime is 1198115003. The reversal of 1198115000 is 5118911.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198115003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 114812 + ... + 124811.

It is an arithmetic number, because the mean of its divisors is an integer number (70179879).

Almost surely, 2^1198115000 is an apocalyptic number.

1198115000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198115000 is an abundant number, since it is smaller than the sum of its proper divisors (1609080160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198115000 is an equidigital number, since it uses as much as digits as its factorization.

1198115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239649 (or 239630 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 1198115000 is about 34613.7978268782. The cubic root of 1198115000 is about 1062.1018577463.

The spelling of 1198115000 in words is "one billion, one hundred ninety-eight million, one hundred fifteen thousand".