1503125 has 24 divisors (see below), whose sum is σ = 2077992. Its totient is φ = 1080000.

The previous prime is 1503113. The next prime is 1503127. The reversal of 1503125 is 5213051.

It can be written as a sum of positive squares in 12 ways, for example, as 1495729 + 7396 = 1223^2 + 86^2 .

It is not a de Polignac number, because 1503125 - 2⁸ = 1502869 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40607 + ... + 40643.

It is an arithmetic number, because the mean of its divisors is an integer number (86583).

2^1503125 is an apocalyptic number.

It is an amenable number.

1503125 is a deficient number, since it is larger than the sum of its proper divisors (574867).

1503125 is an frugal number, since it uses more digits than its factorization.

1503125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 55 counting only the distinct ones).

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

The square root of 1503125 is about 1226.0199835239. The cubic root of 1503125 is about 114.5508631596.

Adding to 1503125 its reverse (5213051), we get a palindrome (6716176).

The spelling of 1503125 in words is "one million, five hundred three thousand, one hundred twenty-five".