1153268 has 6 divisors (see below), whose sum is σ = 2018226. Its totient is φ = 576632.

The previous prime is 1153267. The next prime is 1153277. The reversal of 1153268 is 8623511.

It can be written as a sum of positive squares in only one way, i.e., 795664 + 357604 = 892^2 + 598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144155 + ... + 144162.

It is an arithmetic number, because the mean of its divisors is an integer number (336371).

2^1153268 is an apocalyptic number.

It is an amenable number.

1153268 is a deficient number, since it is larger than the sum of its proper divisors (864958).

1153268 is a wasteful number, since it uses less digits than its factorization.

1153268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288321 (or 288319 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1153268 is about 1073.9031613698. The cubic root of 1153268 is about 104.8681034720.

Adding to 1153268 its reverse (8623511), we get a palindrome (9776779).

The spelling of 1153268 in words is "one million, one hundred fifty-three thousand, two hundred sixty-eight".