123422120 has 16 divisors (see below), whose sum is σ = 277699860. Its totient is φ = 49368832.

The previous prime is 123422087. The next prime is 123422203. The reversal of 123422120 is 21224321.

It can be written as a sum of positive squares in 2 ways, for example, as 115390564 + 8031556 = 10742^2 + 2834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542737 + ... + 1542816.

Almost surely, 2^123422120 is an apocalyptic number.

123422120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123422120 is an abundant number, since it is smaller than the sum of its proper divisors (154277740).

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

123422120 is a wasteful number, since it uses less digits than its factorization.

123422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085564 (or 3085560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123422120 is about 11109.5508460063. The cubic root of 123422120 is about 497.8872451079.

Adding to 123422120 its reverse (21224321), we get a palindrome (144646441).

The spelling of 123422120 in words is "one hundred twenty-three million, four hundred twenty-two thousand, one hundred twenty".