122123620 has 24 divisors (see below), whose sum is σ = 258733944. Its totient is φ = 48416256.

The previous prime is 122123591. The next prime is 122123623. The reversal of 122123620 is 26321221.

It can be written as a sum of positive squares in 4 ways, for example, as 9084196 + 113039424 = 3014^2 + 10632^2 .

It is not an unprimeable number, because it can be changed into a prime (122123623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24759 + ... + 29278.

It is an arithmetic number, because the mean of its divisors is an integer number (10780581).

Almost surely, 2^122123620 is an apocalyptic number.

122123620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122123620 is an abundant number, since it is smaller than the sum of its proper divisors (136610324).

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

122123620 is a wasteful number, since it uses less digits than its factorization.

122123620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54159 (or 54157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 122123620 is about 11050.9556147873. The cubic root of 122123620 is about 496.1350276237.

Adding to 122123620 its reverse (26321221), we get a palindrome (148444841).

The spelling of 122123620 in words is "one hundred twenty-two million, one hundred twenty-three thousand, six hundred twenty".