1152199880 has 128 divisors (see below), whose sum is σ = 2864332800. Its totient is φ = 414554112.

The previous prime is 1152199859. The next prime is 1152199891. The reversal of 1152199880 is 889912511.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4820801 + ... + 4821039.

It is an arithmetic number, because the mean of its divisors is an integer number (22377600).

Almost surely, 2^1152199880 is an apocalyptic number.

1152199880 is a gapful number since it is divisible by the number (10) 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 1152199880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432166400).

1152199880 is an abundant number, since it is smaller than the sum of its proper divisors (1712132920).

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

1152199880 is a wasteful number, since it uses less digits than its factorization.

1152199880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 44.

The square root of 1152199880 is about 33944.0698797301. The cubic root of 1152199880 is about 1048.3571830882.

The spelling of 1152199880 in words is "one billion, one hundred fifty-two million, one hundred ninety-nine thousand, eight hundred eighty".