123101022 has 64 divisors (see below), whose sum is σ = 276721920. Its totient is φ = 36192000.

The previous prime is 123101009. The next prime is 123101047. The reversal of 123101022 is 220101321.

It is a junction number, because it is equal to n+sod(n) for n = 123100989 and 123101007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393138 + ... + 393450.

It is an arithmetic number, because the mean of its divisors is an integer number (4323780).

Almost surely, 2^123101022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123101022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138360960).

123101022 is an abundant number, since it is smaller than the sum of its proper divisors (153620898).

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

123101022 is a wasteful number, since it uses less digits than its factorization.

123101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 123101022 is about 11095.0899951285. The cubic root of 123101022 is about 497.4550982598.

Adding to 123101022 its reverse (220101321), we get a palindrome (343202343).

The spelling of 123101022 in words is "one hundred twenty-three million, one hundred one thousand, twenty-two".