15250122 has 96 divisors (see below), whose sum is σ = 38301120. Its totient is φ = 4354560.

The previous prime is 15250121. The next prime is 15250129. The reversal of 15250122 is 22105251.

15250122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 15250095 and 15250104.

It is not an unprimeable number, because it can be changed into a prime (15250121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249972 + ... + 250032.

It is an arithmetic number, because the mean of its divisors is an integer number (398970).

Almost surely, 2^15250122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15250122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19150560).

15250122 is an abundant number, since it is smaller than the sum of its proper divisors (23050998).

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

15250122 is a wasteful number, since it uses less digits than its factorization.

15250122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 15250122 is about 3905.1404584214. The cubic root of 15250122 is about 247.9844444804.

Adding to 15250122 its reverse (22105251), we get a palindrome (37355373).

The spelling of 15250122 in words is "fifteen million, two hundred fifty thousand, one hundred twenty-two".