1288366072 has 16 divisors (see below), whose sum is σ = 2760784560. Its totient is φ = 552156864.

The previous prime is 1288366069. The next prime is 1288366081. The reversal of 1288366072 is 2706638821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11503213 + ... + 11503324.

It is an arithmetic number, because the mean of its divisors is an integer number (172549035).

Almost surely, 2^1288366072 is an apocalyptic number.

It is an amenable number.

1288366072 is an abundant number, since it is smaller than the sum of its proper divisors (1472418488).

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

1288366072 is a wasteful number, since it uses less digits than its factorization.

1288366072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23006550 (or 23006546 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 1288366072 is about 35893.8166262659. The cubic root of 1288366072 is about 1088.1274338012.

The spelling of 1288366072 in words is "one billion, two hundred eighty-eight million, three hundred sixty-six thousand, seventy-two".