102127032280 has 128 divisors (see below), whose sum is σ = 283018982400. Its totient is φ = 32298020352.

The previous prime is 102127032277. The next prime is 102127032317. The reversal of 102127032280 is 82230721201.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 5388661 + ... + 5407579.

It is an arithmetic number, because the mean of its divisors is an integer number (2211085800).

Almost surely, 2^102127032280 is an apocalyptic number.

102127032280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102127032280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141509491200).

102127032280 is an abundant number, since it is smaller than the sum of its proper divisors (180891950120).

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

102127032280 is a wasteful number, since it uses less digits than its factorization.

102127032280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20433 (or 20429 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 102127032280 its reverse (82230721201), we get a palindrome (184357753481).

The spelling of 102127032280 in words is "one hundred two billion, one hundred twenty-seven million, thirty-two thousand, two hundred eighty".