250122 has 8 divisors (see below), whose sum is σ = 500256. Its totient is φ = 83372.

The previous prime is 250109. The next prime is 250123. The reversal of 250122 is 221052.

It is a sphenic number, since it is the product of 3 distinct primes.

250122 is an admirable number.

It is a super-2 number, since 2×250122² = 125122029768, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 250098 and 250107.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250122.

It is not an unprimeable number, because it can be changed into a prime (250123) by changing a digit.

250122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20838 + ... + 20849.

It is an arithmetic number, because the mean of its divisors is an integer number (62532).

2²⁵⁰¹²² is an apocalyptic number.

250122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

250122 is a wasteful number, since it uses less digits than its factorization.

250122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41692.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 250122 is about 500.1219851196. The cubic root of 250122 is about 63.0062981862.

Adding to 250122 its reverse (221052), we get a palindrome (471174).

The spelling of 250122 in words is "two hundred fifty thousand, one hundred twenty-two".