1103145 has 16 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 584000.

The previous prime is 1103143. The next prime is 1103171. The reversal of 1103145 is 5413011.

It is not a de Polignac number, because 1103145 - 2¹ = 1103143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1103143) 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, 3619 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (111132).

2^1103145 is an apocalyptic number.

1103145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103145 is a deficient number, since it is larger than the sum of its proper divisors (674967).

1103145 is a wasteful number, since it uses less digits than its factorization.

1103145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1103145 is about 1050.3070979480. The cubic root of 1103145 is about 103.3262973588.

Adding to 1103145 its reverse (5413011), we get a palindrome (6516156).

The spelling of 1103145 in words is "one million, one hundred three thousand, one hundred forty-five".