1150128 has 90 divisors (see below), whose sum is σ = 3767244. Its totient is φ = 326592.

The previous prime is 1150117. The next prime is 1150139. The reversal of 1150128 is 8210511.

It is an interprime number because it is at equal distance from previous prime (1150117) and next prime (1150139).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1150128.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6975 + ... + 7137.

2^1150128 is an apocalyptic number.

1150128 is a gapful number since it is divisible by the number (18) 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 1150128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883622).

1150128 is an abundant number, since it is smaller than the sum of its proper divisors (2617116).

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

1150128 is a wasteful number, since it uses less digits than its factorization.

1150128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1150128 is about 1072.4402081235. The cubic root of 1150128 is about 104.7728422530.

Adding to 1150128 its reverse (8210511), we get a palindrome (9360639).

The spelling of 1150128 in words is "one million, one hundred fifty thousand, one hundred twenty-eight".