1403125 has 12 divisors (see below), whose sum is σ = 1757700. Its totient is φ = 1120000.

The previous prime is 1403113. The next prime is 1403137. The reversal of 1403125 is 5213041.

It is an interprime number because it is at equal distance from previous prime (1403113) and next prime (1403137).

It can be written as a sum of positive squares in 6 ways, for example, as 1096209 + 306916 = 1047^2 + 554^2 .

It is not a de Polignac number, because 1403125 - 2¹³ = 1394933 is a prime.

1403125 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1403099 and 1403108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2901 + ... + 3349.

It is an arithmetic number, because the mean of its divisors is an integer number (146475).

2^1403125 is an apocalyptic number.

It is an amenable number.

1403125 is a deficient number, since it is larger than the sum of its proper divisors (354575).

1403125 is an frugal number, since it uses more digits than its factorization.

1403125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1403125 is about 1184.5357740482. The cubic root of 1403125 is about 111.9520681378.

Adding to 1403125 its reverse (5213041), we get a palindrome (6616166).

The spelling of 1403125 in words is "one million, four hundred three thousand, one hundred twenty-five".