1295020017 has 24 divisors (see below), whose sum is σ = 1923406784. Its totient is φ = 839022624.

The previous prime is 1295019989. The next prime is 1295020039. The reversal of 1295020017 is 7100205921.

It is not a de Polignac number, because 1295020017 - 2¹² = 1295015921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1295020717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372228 + ... + 375690.

Almost surely, 2^1295020017 is an apocalyptic number.

It is an amenable number.

1295020017 is a deficient number, since it is larger than the sum of its proper divisors (628386767).

1295020017 is a wasteful number, since it uses less digits than its factorization.

1295020017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4626 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1295020017 is about 35986.3865510279. The cubic root of 1295020017 is about 1089.9974797237.

Adding to 1295020017 its reverse (7100205921), we get a palindrome (8395225938).

The spelling of 1295020017 in words is "one billion, two hundred ninety-five million, twenty thousand, seventeen".