1153275 has 12 divisors (see below), whose sum is σ = 1906872. Its totient is φ = 615040.

The previous prime is 1153267. The next prime is 1153277. The reversal of 1153275 is 5723511.

It is not a de Polignac number, because 1153275 - 2³ = 1153267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7614 + ... + 7763.

It is an arithmetic number, because the mean of its divisors is an integer number (158906).

2^1153275 is an apocalyptic number.

1153275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153275 is a deficient number, since it is larger than the sum of its proper divisors (753597).

1153275 is a wasteful number, since it uses less digits than its factorization.

1153275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390 (or 15385 counting only the distinct ones).

The product of its digits is 1050, while the sum is 24.

The square root of 1153275 is about 1073.9064205041. The cubic root of 1153275 is about 104.8683156445.

Adding to 1153275 its reverse (5723511), we get a palindrome (6876786).

It can be divided in two parts, 11532 and 75, that multiplied together give a square (864900 = 930²).

The spelling of 1153275 in words is "one million, one hundred fifty-three thousand, two hundred seventy-five".