1125003 has 16 divisors (see below), whose sum is σ = 1662336. Its totient is φ = 671040.

The previous prime is 1125001. The next prime is 1125013. The reversal of 1125003 is 3005211.

It is not a de Polignac number, because 1125003 - 2¹ = 1125001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125003.

It is not an unprimeable number, because it can be changed into a prime (1125001) 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, 2176 + ... + 2642.

It is an arithmetic number, because the mean of its divisors is an integer number (103896).

2^1125003 is an apocalyptic number.

1125003 is a deficient number, since it is larger than the sum of its proper divisors (537333).

1125003 is a wasteful number, since it uses less digits than its factorization.

1125003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1125003 is about 1060.6615859924. The cubic root of 1125003 is about 104.0042836007.

It can be divided in two parts, 112 and 5003, that added together give a palindrome (5115).

The spelling of 1125003 in words is "one million, one hundred twenty-five thousand, three".