1288052530 has 32 divisors (see below), whose sum is σ = 2375163648. Its totient is φ = 502656000.

The previous prime is 1288052497. The next prime is 1288052533. The reversal of 1288052530 is 352508821.

It is not an unprimeable number, because it can be changed into a prime (1288052533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687495 + ... + 689365.

It is an arithmetic number, because the mean of its divisors is an integer number (74223864).

Almost surely, 2^1288052530 is an apocalyptic number.

1288052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1288052530 is a deficient number, since it is larger than the sum of its proper divisors (1087111118).

1288052530 is a wasteful number, since it uses less digits than its factorization.

1288052530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1288052530 is about 35889.4487280036. The cubic root of 1288052530 is about 1088.0391562690.

The spelling of 1288052530 in words is "one billion, two hundred eighty-eight million, fifty-two thousand, five hundred thirty".