1198318830 has 32 divisors (see below), whose sum is σ = 2916476928. Its totient is φ = 315050400.

The previous prime is 1198318813. The next prime is 1198318853. The reversal of 1198318830 is 388138911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279166 + ... + 283425.

It is an arithmetic number, because the mean of its divisors is an integer number (91139904).

Almost surely, 2^1198318830 is an apocalyptic number.

1198318830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198318830 is an abundant number, since it is smaller than the sum of its proper divisors (1718158098).

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

1198318830 is a wasteful number, since it uses less digits than its factorization.

1198318830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562672.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 1198318830 is about 34616.7420477433. The cubic root of 1198318830 is about 1062.1620845599.

The spelling of 1198318830 in words is "one billion, one hundred ninety-eight million, three hundred eighteen thousand, eight hundred thirty".