1198263116 has 12 divisors (see below), whose sum is σ = 2118579288. Its totient is φ = 592954752.

The previous prime is 1198263109. The next prime is 1198263133. The reversal of 1198263116 is 6113628911.

It is a self number, because there is not a number n which added to its sum of digits gives 1198263116.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543766 + ... + 1544541.

It is an arithmetic number, because the mean of its divisors is an integer number (176548274).

Almost surely, 2^1198263116 is an apocalyptic number.

It is an amenable number.

1198263116 is a deficient number, since it is larger than the sum of its proper divisors (920316172).

1198263116 is a wasteful number, since it uses less digits than its factorization.

1198263116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088408 (or 3088406 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 1198263116 is about 34615.9373121688. The cubic root of 1198263116 is about 1062.1456231046.

The spelling of 1198263116 in words is "one billion, one hundred ninety-eight million, two hundred sixty-three thousand, one hundred sixteen".