123011022 has 16 divisors (see below), whose sum is σ = 246131280. Its totient is φ = 40985472.

The previous prime is 123011017. The next prime is 123011023. The reversal of 123011022 is 220110321.

It is a junction number, because it is equal to n+sod(n) for n = 123010989 and 123011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22054 + ... + 27062.

It is an arithmetic number, because the mean of its divisors is an integer number (15383205).

Almost surely, 2^123011022 is an apocalyptic number.

123011022 is an abundant number, since it is smaller than the sum of its proper divisors (123120258).

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

123011022 is a wasteful number, since it uses less digits than its factorization.

123011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107.

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

The square root of 123011022 is about 11091.0334054136. The cubic root of 123011022 is about 497.3338377608. Note that the first 3 decimals are identical.

Adding to 123011022 its reverse (220110321), we get a palindrome (343121343).

The spelling of 123011022 in words is "one hundred twenty-three million, eleven thousand, twenty-two".