102551250 has 160 divisors (see below), whose sum is σ = 283409280. Its totient is φ = 24640000.

The previous prime is 102551249. The next prime is 102551269. The reversal of 102551250 is 52155201.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2501230 + ... + 2501270.

It is an arithmetic number, because the mean of its divisors is an integer number (1771308).

Almost surely, 2^102551250 is an apocalyptic number.

102551250 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 102551250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141704640).

102551250 is an abundant number, since it is smaller than the sum of its proper divisors (180858030).

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

102551250 is a wasteful number, since it uses less digits than its factorization.

102551250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 102551250 is about 10126.7591064466. The cubic root of 102551250 is about 468.0730673410.

The spelling of 102551250 in words is "one hundred two million, five hundred fifty-one thousand, two hundred fifty".