1153205 has 16 divisors (see below), whose sum is σ = 1488000. Its totient is φ = 855360.

The previous prime is 1153199. The next prime is 1153211. The reversal of 1153205 is 5023511.

It is an interprime number because it is at equal distance from previous prime (1153199) and next prime (1153211).

It is not a de Polignac number, because 1153205 - 2¹⁰ = 1152181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5696 + ... + 5894.

It is an arithmetic number, because the mean of its divisors is an integer number (93000).

2^1153205 is an apocalyptic number.

It is an amenable number.

1153205 is a deficient number, since it is larger than the sum of its proper divisors (334795).

1153205 is a wasteful number, since it uses less digits than its factorization.

1153205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1153205 is about 1073.8738287155. The cubic root of 1153205 is about 104.8661938809.

Adding to 1153205 its reverse (5023511), we get a palindrome (6176716).

The spelling of 1153205 in words is "one million, one hundred fifty-three thousand, two hundred five".