122544646 has 8 divisors (see below), whose sum is σ = 210076560. Its totient is φ = 52519128.

The previous prime is 122544637. The next prime is 122544647. The reversal of 122544646 is 646445221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122544647) 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 3 ways as a sum of consecutive naturals, for example, 4376581 + ... + 4376608.

It is an arithmetic number, because the mean of its divisors is an integer number (26259570).

Almost surely, 2^122544646 is an apocalyptic number.

122544646 is a deficient number, since it is larger than the sum of its proper divisors (87531914).

122544646 is an equidigital number, since it uses as much as digits as its factorization.

122544646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753198.

The product of its digits is 46080, while the sum is 34.

The square root of 122544646 is about 11069.9885275460. The cubic root of 122544646 is about 496.7045220359.

Adding to 122544646 its reverse (646445221), we get a palindrome (768989867).

It can be divided in two parts, 12254 and 4646, that added together give a square (16900 = 130²).

The spelling of 122544646 in words is "one hundred twenty-two million, five hundred forty-four thousand, six hundred forty-six".