122320125 has 48 divisors (see below), whose sum is σ = 228725952. Its totient is φ = 65221200.

The previous prime is 122320123. The next prime is 122320147. The reversal of 122320125 is 521023221.

It is not a de Polignac number, because 122320125 - 2¹ = 122320123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122320098 and 122320107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122320123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28362 + ... + 32388.

It is an arithmetic number, because the mean of its divisors is an integer number (4765124).

Almost surely, 2^122320125 is an apocalyptic number.

122320125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122320125 is a deficient number, since it is larger than the sum of its proper divisors (106405827).

122320125 is an frugal number, since it uses more digits than its factorization.

122320125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122320125 is about 11059.8429012351. The cubic root of 122320125 is about 496.4009897403.

Adding to 122320125 its reverse (521023221), we get a palindrome (643343346).

The spelling of 122320125 in words is "one hundred twenty-two million, three hundred twenty thousand, one hundred twenty-five".