1150268028 has 96 divisors (see below), whose sum is σ = 3320722944. Its totient is φ = 301771008.

The previous prime is 1150268027. The next prime is 1150268057. The reversal of 1150268028 is 8208620511.

It is a self number, because there is not a number n which added to its sum of digits gives 1150268028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150268027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212451 + ... + 217797.

It is an arithmetic number, because the mean of its divisors is an integer number (34590864).

Almost surely, 2^1150268028 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 1150268028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660361472).

1150268028 is an abundant number, since it is smaller than the sum of its proper divisors (2170454916).

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

1150268028 is a wasteful number, since it uses less digits than its factorization.

1150268028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1150268028 is about 33915.6015426529. The cubic root of 1150268028 is about 1047.7709410912.

Adding to 1150268028 its reverse (8208620511), we get a palindrome (9358888539).

The spelling of 1150268028 in words is "one billion, one hundred fifty million, two hundred sixty-eight thousand, twenty-eight".