1150223280 has 80 divisors (see below), whose sum is σ = 3569113824. Its totient is φ = 306432000.

The previous prime is 1150223279. The next prime is 1150223293. The reversal of 1150223280 is 823220511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1150223280.

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, 381780 + ... + 384780.

Almost surely, 2^1150223280 is an apocalyptic number.

1150223280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150223280 is an abundant number, since it is smaller than the sum of its proper divisors (2418890544).

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

1150223280 is a wasteful number, since it uses less digits than its factorization.

1150223280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1150223280 is about 33914.9418398440. The cubic root of 1150223280 is about 1047.7573540370.

Adding to 1150223280 its reverse (823220511), we get a palindrome (1973443791).

The spelling of 1150223280 in words is "one billion, one hundred fifty million, two hundred twenty-three thousand, two hundred eighty".