1273078888 has 96 divisors (see below), whose sum is σ = 2721700800. Its totient is φ = 555641856.

The previous prime is 1273078883. The next prime is 1273078889. The reversal of 1273078888 is 8888703721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1273078883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2939920 + ... + 2940352.

It is an arithmetic number, because the mean of its divisors is an integer number (28351050).

Almost surely, 2^1273078888 is an apocalyptic number.

It is an amenable number.

1273078888 is an abundant number, since it is smaller than the sum of its proper divisors (1448621912).

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

1273078888 is a wasteful number, since it uses less digits than its factorization.

1273078888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 52.

The square root of 1273078888 is about 35680.2310530635. The cubic root of 1273078888 is about 1083.8065517190.

The spelling of 1273078888 in words is "one billion, two hundred seventy-three million, seventy-eight thousand, eight hundred eighty-eight".