1103155 has 16 divisors (see below), whose sum is σ = 1395360. Its totient is φ = 836352.

The previous prime is 1103143. The next prime is 1103171. The reversal of 1103155 is 5513011.

It is a cyclic number.

It is not a de Polignac number, because 1103155 - 2¹³ = 1094963 is a prime.

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, 12351 + ... + 12439.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2^1103155 is an apocalyptic number.

1103155 is a deficient number, since it is larger than the sum of its proper divisors (292205).

1103155 is an equidigital number, since it uses as much as digits as its factorization.

1103155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

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

The square root of 1103155 is about 1050.3118584497. The cubic root of 1103155 is about 103.3266095752.

Adding to 1103155 its reverse (5513011), we get a palindrome (6616166).

The spelling of 1103155 in words is "one million, one hundred three thousand, one hundred fifty-five".