1198152256 has 56 divisors (see below), whose sum is σ = 2727838080. Its totient is φ = 511491072.

The previous prime is 1198152253. The next prime is 1198152343. The reversal of 1198152256 is 6522518911.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1198152253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112740 + ... + 122908.

Almost surely, 2^1198152256 is an apocalyptic number.

1198152256 is a gapful number since it is divisible by the number (16) 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 1198152256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363919040).

1198152256 is an abundant number, since it is smaller than the sum of its proper divisors (1529685824).

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

1198152256 is a wasteful number, since it uses less digits than its factorization.

1198152256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451 (or 10441 counting only the distinct ones).

The product of its digits is 43200, while the sum is 40.

The square root of 1198152256 is about 34614.3359895867. The cubic root of 1198152256 is about 1062.1128664994.

The spelling of 1198152256 in words is "one billion, one hundred ninety-eight million, one hundred fifty-two thousand, two hundred fifty-six".