56123122 has 16 divisors (see below), whose sum is σ = 91969344. Its totient is φ = 25474000.

The previous prime is 56123107. The next prime is 56123129. The reversal of 56123122 is 22132165.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 56123093 and 56123102.

It is not an unprimeable number, because it can be changed into a prime (56123129) 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, 19347 + ... + 22057.

It is an arithmetic number, because the mean of its divisors is an integer number (5748084).

Almost surely, 2^56123122 is an apocalyptic number.

56123122 is a deficient number, since it is larger than the sum of its proper divisors (35846222).

56123122 is a wasteful number, since it uses less digits than its factorization.

56123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its digits is 720, while the sum is 22.

The square root of 56123122 is about 7491.5366914939. The cubic root of 56123122 is about 382.8664169300.

Adding to 56123122 its reverse (22132165), we get a palindrome (78255287).

The spelling of 56123122 in words is "fifty-six million, one hundred twenty-three thousand, one hundred twenty-two".