101000250 has 128 divisors (see below), whose sum is σ = 301916160. Its totient is φ = 24840000.

The previous prime is 101000239. The next prime is 101000267. The reversal of 101000250 is 52000101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87175 + ... + 88325.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^101000250 is an apocalyptic number.

101000250 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 101000250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150958080).

101000250 is an abundant number, since it is smaller than the sum of its proper divisors (200915910).

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

101000250 is a wasteful number, since it uses less digits than its factorization.

101000250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 101000250 is about 10049.8880590781. Note that the first 3 decimals coincide. The cubic root of 101000250 is about 465.7013350218.

Adding to 101000250 its reverse (52000101), we get a palindrome (153000351).

The spelling of 101000250 in words is "one hundred one million, two hundred fifty", and thus it is an aban number.