122020424 has 48 divisors (see below), whose sum is σ = 246183300. Its totient is φ = 56680448.

The previous prime is 122020417. The next prime is 122020427. The reversal of 122020424 is 424020221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 83356900 + 38663524 = 9130^2 + 6218^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (122020427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205472 + ... + 206064.

Almost surely, 2^122020424 is an apocalyptic number.

It is an amenable number.

122020424 is an abundant number, since it is smaller than the sum of its proper divisors (124162876).

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

122020424 is a wasteful number, since it uses less digits than its factorization.

122020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 122020424 is about 11046.2855295344. The cubic root of 122020424 is about 495.9952414563.

Adding to 122020424 its reverse (424020221), we get a palindrome (546040645).

The spelling of 122020424 in words is "one hundred twenty-two million, twenty thousand, four hundred twenty-four".