1198863204 has 96 divisors (see below), whose sum is σ = 3558912000. Its totient is φ = 311381280.

The previous prime is 1198863199. The next prime is 1198863209. The reversal of 1198863204 is 4023688911.

It is an interprime number because it is at equal distance from previous prime (1198863199) and next prime (1198863209).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1198863209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32037 + ... + 58515.

It is an arithmetic number, because the mean of its divisors is an integer number (37072000).

Almost surely, 2^1198863204 is an apocalyptic number.

1198863204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198863204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779456000).

1198863204 is an abundant number, since it is smaller than the sum of its proper divisors (2360048796).

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

1198863204 is a wasteful number, since it uses less digits than its factorization.

1198863204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26518 (or 26502 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1198863204 is about 34624.6040266167. The cubic root of 1198863204 is about 1062.3229003831.

The spelling of 1198863204 in words is "one billion, one hundred ninety-eight million, eight hundred sixty-three thousand, two hundred four".