1204198856 has 64 divisors (see below), whose sum is σ = 2698548480. Its totient is φ = 492560640.

The previous prime is 1204198783. The next prime is 1204198867. The reversal of 1204198856 is 6588914021.

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, 871286 + ... + 872666.

It is an arithmetic number, because the mean of its divisors is an integer number (42164820).

Almost surely, 2^1204198856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204198856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349274240).

1204198856 is an abundant number, since it is smaller than the sum of its proper divisors (1494349624).

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

1204198856 is a wasteful number, since it uses less digits than its factorization.

1204198856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1204198856 is about 34701.5684948101. The cubic root of 1204198856 is about 1063.8965570191.

The spelling of 1204198856 in words is "one billion, two hundred four million, one hundred ninety-eight thousand, eight hundred fifty-six".