122020112 has 20 divisors (see below), whose sum is σ = 238509660. Its totient is φ = 60469248.

The previous prime is 122020097. The next prime is 122020127. The reversal of 122020112 is 211020221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122020097) and next prime (122020127).

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 120472576 = 1244^2 + 10976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122020093 and 122020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31937 + ... + 35552.

It is an arithmetic number, because the mean of its divisors is an integer number (11925483).

Almost surely, 2^122020112 is an apocalyptic number.

It is an amenable number.

122020112 is a deficient number, since it is larger than the sum of its proper divisors (116489548).

122020112 is a wasteful number, since it uses less digits than its factorization.

122020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67610 (or 67604 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122020112 is about 11046.2714071310. The cubic root of 122020112 is about 495.9948187111.

Adding to 122020112 its reverse (211020221), we get a palindrome (333040333).

The spelling of 122020112 in words is "one hundred twenty-two million, twenty thousand, one hundred twelve".