7125503 has 16 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 5359200.

The previous prime is 7125473. The next prime is 7125527. The reversal of 7125503 is 3055217.

It is not a de Polignac number, because 7125503 - 2¹² = 7121407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^7125503 is an apocalyptic number.

7125503 is a deficient number, since it is larger than the sum of its proper divisors (2067457).

7125503 is a wasteful number, since it uses less digits than its factorization.

7125503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 7125503 is about 2669.3637818776. The cubic root of 7125503 is about 192.4295846352.

The spelling of 7125503 in words is "seven million, one hundred twenty-five thousand, five hundred three".