1273940088 has 16 divisors (see below), whose sum is σ = 3184850280. Its totient is φ = 424646688.

The previous prime is 1273940047. The next prime is 1273940093. The reversal of 1273940088 is 8800493721.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26540395 + ... + 26540442.

Almost surely, 2^1273940088 is an apocalyptic number.

It is an amenable number.

1273940088 is an abundant number, since it is smaller than the sum of its proper divisors (1910910192).

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

1273940088 is a wasteful number, since it uses less digits than its factorization.

1273940088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53080846 (or 53080842 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1273940088 is about 35692.2973202903. The cubic root of 1273940088 is about 1084.0508842642.

The spelling of 1273940088 in words is "one billion, two hundred seventy-three million, nine hundred forty thousand, eighty-eight".