1265125 has 16 divisors (see below), whose sum is σ = 1638000. Its totient is φ = 974400.

The previous prime is 1265119. The next prime is 1265129. The reversal of 1265125 is 5215621.

It can be written as a sum of positive squares in 8 ways, for example, as 261121 + 1004004 = 511^2 + 1002^2 .

It is not a de Polignac number, because 1265125 - 2⁵ = 1265093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1265096 and 1265105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3451 + ... + 3799.

It is an arithmetic number, because the mean of its divisors is an integer number (102375).

2^1265125 is an apocalyptic number.

It is an amenable number.

1265125 is a deficient number, since it is larger than the sum of its proper divisors (372875).

1265125 is an equidigital number, since it uses as much as digits as its factorization.

1265125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 383 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 1265125 is about 1124.7777558256. Note that the first 4 decimals coincide. The cubic root of 1265125 is about 108.1544714566.

The spelling of 1265125 in words is "one million, two hundred sixty-five thousand, one hundred twenty-five".