1198127232 has 288 divisors, whose sum is σ = 3778940880. Its totient is φ = 364041216.

The previous prime is 1198127197. The next prime is 1198127233. The reversal of 1198127232 is 2327218911.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (12096) is a multiple of the sum of its prime factors (168).

It is not an unprimeable number, because it can be changed into a prime (1198127233) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17882463 + ... + 17882529.

Almost surely, 2^1198127232 is an apocalyptic number.

1198127232 is a gapful number since it is divisible by the number (12) 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 1198127232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889470440).

1198127232 is an abundant number, since it is smaller than the sum of its proper divisors (2580813648).

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

1198127232 is a wasteful number, since it uses less digits than its factorization.

1198127232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 134 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1198127232 is about 34613.9745189714. The cubic root of 1198127232 is about 1062.1054721979.

The spelling of 1198127232 in words is "one billion, one hundred ninety-eight million, one hundred twenty-seven thousand, two hundred thirty-two".