1153245 has 8 divisors (see below), whose sum is σ = 1845216. Its totient is φ = 615056.

The previous prime is 1153241. The next prime is 1153247. The reversal of 1153245 is 5423511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153245 - 2² = 1153241 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38427 + ... + 38456.

It is an arithmetic number, because the mean of its divisors is an integer number (230652).

2^1153245 is an apocalyptic number.

1153245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153245 is a deficient number, since it is larger than the sum of its proper divisors (691971).

1153245 is an equidigital number, since it uses as much as digits as its factorization.

1153245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76891.

The product of its digits is 600, while the sum is 21.

The square root of 1153245 is about 1073.8924527158. The cubic root of 1153245 is about 104.8674063278.

Adding to 1153245 its reverse (5423511), we get a palindrome (6576756).

The spelling of 1153245 in words is "one million, one hundred fifty-three thousand, two hundred forty-five".