123501222 has 48 divisors (see below), whose sum is σ = 290319120. Its totient is φ = 37717056.

The previous prime is 123501211. The next prime is 123501233. The reversal of 123501222 is 222105321.

It is an interprime number because it is at equal distance from previous prime (123501211) and next prime (123501233).

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 = 123501195 and 123501204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30628 + ... + 34424.

It is an arithmetic number, because the mean of its divisors is an integer number (6048315).

Almost surely, 2^123501222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123501222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145159560).

123501222 is an abundant number, since it is smaller than the sum of its proper divisors (166817898).

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

123501222 is a wasteful number, since it uses less digits than its factorization.

123501222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 123501222 is about 11113.1103656897. The cubic root of 123501222 is about 497.9935887305.

Adding to 123501222 its reverse (222105321), we get a palindrome (345606543).

The spelling of 123501222 in words is "one hundred twenty-three million, five hundred one thousand, two hundred twenty-two".