122405076 has 36 divisors (see below), whose sum is σ = 312611572. Its totient is φ = 40379904.

The previous prime is 122405071. The next prime is 122405077. The reversal of 122405076 is 670504221.

It can be written as a sum of positive squares in 2 ways, for example, as 36360900 + 86044176 = 6030^2 + 9276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122405071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14035 + ... + 21018.

Almost surely, 2^122405076 is an apocalyptic number.

It is an amenable number.

122405076 is an abundant number, since it is smaller than the sum of its proper divisors (190206496).

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

122405076 is a wasteful number, since it uses less digits than its factorization.

122405076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35160 (or 35155 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 122405076 is about 11063.6827503323. The cubic root of 122405076 is about 496.5158795346.

Adding to 122405076 its reverse (670504221), we get a palindrome (792909297).

The spelling of 122405076 in words is "one hundred twenty-two million, four hundred five thousand, seventy-six".