1283125 has 10 divisors (see below), whose sum is σ = 1604174. Its totient is φ = 1026000.

The previous prime is 1283119. The next prime is 1283129. The reversal of 1283125 is 5213821.

It can be written as a sum of positive squares in 5 ways, for example, as 492804 + 790321 = 702^2 + 889^2 .

It is not a de Polignac number, because 1283125 - 2⁹ = 1282613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1283096 and 1283105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283129) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 402 + ... + 1651.

2^1283125 is an apocalyptic number.

It is an amenable number.

1283125 is a deficient number, since it is larger than the sum of its proper divisors (321049).

1283125 is an frugal number, since it uses more digits than its factorization.

1283125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2058 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1283125 is about 1132.7510759209. The cubic root of 1283125 is about 108.6649928021.

Adding to 1283125 its reverse (5213821), we get a palindrome (6496946).

The spelling of 1283125 in words is "one million, two hundred eighty-three thousand, one hundred twenty-five".