1288527052 has 12 divisors (see below), whose sum is σ = 2259408816. Its totient is φ = 642981680.

The previous prime is 1288527011. The next prime is 1288527073. The reversal of 1288527052 is 2507258821.

It is a junction number, because it is equal to n+sod(n) for n = 1288526996 and 1288527014.

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, 318199 + ... + 322222.

It is an arithmetic number, because the mean of its divisors is an integer number (188284068).

Almost surely, 2^1288527052 is an apocalyptic number.

It is an amenable number.

1288527052 is a deficient number, since it is larger than the sum of its proper divisors (970881764).

1288527052 is a wasteful number, since it uses less digits than its factorization.

1288527052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640928 (or 640926 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 1288527052 is about 35896.0590037402. The cubic root of 1288527052 is about 1088.1727520439.

The spelling of 1288527052 in words is "one billion, two hundred eighty-eight million, five hundred twenty-seven thousand, fifty-two".