1150256 has 40 divisors (see below), whose sum is σ = 2403120. Its totient is φ = 532224.

The previous prime is 1150249. The next prime is 1150301. The reversal of 1150256 is 6520511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17135 + ... + 17201.

It is an arithmetic number, because the mean of its divisors is an integer number (60078).

2^1150256 is an apocalyptic number.

1150256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is a pronic number, being equal to 1072×1073.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201560).

1150256 is an abundant number, since it is smaller than the sum of its proper divisors (1252864).

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

1150256 is a wasteful number, since it uses less digits than its factorization.

1150256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1150256 is about 1072.4998834499. The cubic root of 1150256 is about 104.7767289005.

Adding to 1150256 its reverse (6520511), we get a palindrome (7670767).

The spelling of 1150256 in words is "one million, one hundred fifty thousand, two hundred fifty-six".