1153315 has 4 divisors (see below), whose sum is σ = 1383984. Its totient is φ = 922648.

The previous prime is 1153309. The next prime is 1153337. The reversal of 1153315 is 5133511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1153315 - 2¹⁵ = 1120547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153292 and 1153301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115327 + ... + 115336.

It is an arithmetic number, because the mean of its divisors is an integer number (345996).

2^1153315 is an apocalyptic number.

1153315 is a deficient number, since it is larger than the sum of its proper divisors (230669).

1153315 is an equidigital number, since it uses as much as digits as its factorization.

1153315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230668.

The product of its digits is 225, while the sum is 19.

The square root of 1153315 is about 1073.9250439393. The cubic root of 1153315 is about 104.8695280423.

Adding to 1153315 its reverse (5133511), we get a palindrome (6286826).

The spelling of 1153315 in words is "one million, one hundred fifty-three thousand, three hundred fifteen".