1125503 has 8 divisors (see below), whose sum is σ = 1217520. Its totient is φ = 1036800.

The previous prime is 1125499. The next prime is 1125529. The reversal of 1125503 is 3055211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125503 - 2² = 1125499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (152190).

2^1125503 is an apocalyptic number.

1125503 is a deficient number, since it is larger than the sum of its proper divisors (92017).

1125503 is a wasteful number, since it uses less digits than its factorization.

1125503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657.

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

The square root of 1125503 is about 1060.8972617554. The cubic root of 1125503 is about 104.0196893195.

The spelling of 1125503 in words is "one million, one hundred twenty-five thousand, five hundred three".