1294963285 has 16 divisors (see below), whose sum is σ = 1937400192. Its totient is φ = 807249600.

The previous prime is 1294963283. The next prime is 1294963309. The reversal of 1294963285 is 5823694921.

It is not a de Polignac number, because 1294963285 - 2¹ = 1294963283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294963283) 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, 1681386 + ... + 1682155.

It is an arithmetic number, because the mean of its divisors is an integer number (121087512).

Almost surely, 2^1294963285 is an apocalyptic number.

It is an amenable number.

1294963285 is a deficient number, since it is larger than the sum of its proper divisors (642436907).

1294963285 is a wasteful number, since it uses less digits than its factorization.

1294963285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363564.

The product of its digits is 933120, while the sum is 49.

The square root of 1294963285 is about 35985.5982998755. The cubic root of 1294963285 is about 1089.9815626879.

The spelling of 1294963285 in words is "one billion, two hundred ninety-four million, nine hundred sixty-three thousand, two hundred eighty-five".