102881250 has 144 divisors (see below), whose sum is σ = 292481280. Its totient is φ = 26100000.

The previous prime is 102881237. The next prime is 102881269. The reversal of 102881250 is 52188201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1743721 + ... + 1743779.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^102881250 is an apocalyptic number.

102881250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102881250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

102881250 is an abundant number, since it is smaller than the sum of its proper divisors (189600030).

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

102881250 is an equidigital number, since it uses as much as digits as its factorization.

102881250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 102881250 is about 10143.0394852825. The cubic root of 102881250 is about 468.5746010433.

The spelling of 102881250 in words is "one hundred two million, eight hundred eighty-one thousand, two hundred fifty".