123122020 has 48 divisors (see below), whose sum is σ = 296126208. Its totient is φ = 42122880.

The previous prime is 123122017. The next prime is 123122063. The reversal of 123122020 is 20221321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118905 + ... + 119935.

It is an arithmetic number, because the mean of its divisors is an integer number (6169296).

Almost surely, 2^123122020 is an apocalyptic number.

123122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123122020 is an abundant number, since it is smaller than the sum of its proper divisors (173004188).

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

123122020 is a wasteful number, since it uses less digits than its factorization.

123122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 123122020 is about 11096.0362292127. The cubic root of 123122020 is about 497.4833811776.

Adding to 123122020 its reverse (20221321), we get a palindrome (143343341).

The spelling of 123122020 in words is "one hundred twenty-three million, one hundred twenty-two thousand, twenty".