1153105 has 16 divisors (see below), whose sum is σ = 1488384. Its totient is φ = 855360.

The previous prime is 1153099. The next prime is 1153109. The reversal of 1153105 is 5013511.

It is not a de Polignac number, because 1153105 - 2⁵ = 1153073 is a prime.

It is a super-2 number, since 2×1153105² = 2659302282050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4120 + ... + 4390.

It is an arithmetic number, because the mean of its divisors is an integer number (93024).

2^1153105 is an apocalyptic number.

It is an amenable number.

1153105 is a deficient number, since it is larger than the sum of its proper divisors (335279).

1153105 is a wasteful number, since it uses less digits than its factorization.

1153105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1153105 is about 1073.8272673014. The cubic root of 1153105 is about 104.8631626412.

Adding to 1153105 its reverse (5013511), we get a palindrome (6166616).

The spelling of 1153105 in words is "one million, one hundred fifty-three thousand, one hundred five".