1288028102 has 4 divisors (see below), whose sum is σ = 1932042156. Its totient is φ = 644014050.

The previous prime is 1288028099. The next prime is 1288028123. The reversal of 1288028102 is 2018208821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322007024 + ... + 322007027.

It is an arithmetic number, because the mean of its divisors is an integer number (483010539).

Almost surely, 2^1288028102 is an apocalyptic number.

1288028102 is a deficient number, since it is larger than the sum of its proper divisors (644014054).

1288028102 is an equidigital number, since it uses as much as digits as its factorization.

1288028102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644014053.

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 1288028102 is about 35889.1084035254. The cubic root of 1288028102 is about 1088.0322779811.

The spelling of 1288028102 in words is "one billion, two hundred eighty-eight million, twenty-eight thousand, one hundred two".