1295245 has 16 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 849024.

The previous prime is 1295243. The next prime is 1295263. The reversal of 1295245 is 5425921.

1295245 is a nontrivial binomial coefficient, being equal to C(1610, 2).

It is a cyclic number.

It is not a de Polignac number, because 1295245 - 2¹ = 1295243 is a prime.

It is a super-2 number, since 2×1295245² = 3355319220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^1295245 is an apocalyptic number.

1295245 is the 1609-th triangular number and also the 805-th hexagonal number.

1295245 is the 537-th centered nonagonal number.

It is an amenable number.

1295245 is a deficient number, since it is larger than the sum of its proper divisors (559475).

1295245 is a wasteful number, since it uses less digits than its factorization.

1295245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its digits is 3600, while the sum is 28.

The square root of 1295245 is about 1138.0883094031. The cubic root of 1295245 is about 109.0060597591.

It can be divided in two parts, 1295 and 245, that added together give a triangular number (1540 = T₅₅).

The spelling of 1295245 in words is "one million, two hundred ninety-five thousand, two hundred forty-five".