1273287292904 has 32 divisors (see below), whose sum is σ = 2694259951200. Its totient is φ = 558809469120.

The previous prime is 1273287292903. The next prime is 1273287292957. The reversal of 1273287292904 is 4092927823721.

It is a self number, because there is not a number n which added to its sum of digits gives 1273287292904.

It is not an unprimeable number, because it can be changed into a prime (1273287292903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249465962 + ... + 249471065.

It is an arithmetic number, because the mean of its divisors is an integer number (84195623475).

Almost surely, 2^{1273287292904} is an apocalyptic number.

It is an amenable number.

1273287292904 is an abundant number, since it is smaller than the sum of its proper divisors (1420972658296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273287292904 is a wasteful number, since it uses less digits than its factorization.

1273287292904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498937073 (or 498937069 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 1273287292904 in words is "one trillion, two hundred seventy-three billion, two hundred eighty-seven million, two hundred ninety-two thousand, nine hundred four".