8028121302 has 64 divisors (see below), whose sum is σ = 18145555200. Its totient is φ = 2630422080.

The previous prime is 8028121291. The next prime is 8028121313. The reversal of 8028121302 is 2031218208.

8028121302 is a `hidden beast` number, since 80 + 281 + 2 + 1 + 302 = 666.

It is an interprime number because it is at equal distance from previous prime (8028121291) and next prime (8028121313).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1882849 + ... + 1887107.

It is an arithmetic number, because the mean of its divisors is an integer number (283524300).

Almost surely, 2^8028121302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8028121302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9072777600).

8028121302 is an abundant number, since it is smaller than the sum of its proper divisors (10117433898).

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

8028121302 is a wasteful number, since it uses less digits than its factorization.

8028121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858 (or 4852 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8028121302 is about 89599.7840510791. The cubic root of 8028121302 is about 2002.3407013233.

The spelling of 8028121302 in words is "eight billion, twenty-eight million, one hundred twenty-one thousand, three hundred two".