122644983 has 8 divisors (see below), whose sum is σ = 163578096. Its totient is φ = 81737600.

The previous prime is 122644969. The next prime is 122645009. The reversal of 122644983 is 389446221.

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

It is a cyclic number.

It is not a de Polignac number, because 122644983 - 2⁸ = 122644727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122644933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13663 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (20447262).

Almost surely, 2^122644983 is an apocalyptic number.

122644983 is a deficient number, since it is larger than the sum of its proper divisors (40933113).

122644983 is an equidigital number, since it uses as much as digits as its factorization.

122644983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12865.

The product of its digits is 82944, while the sum is 39.

The square root of 122644983 is about 11074.5195381109. The cubic root of 122644983 is about 496.8400488211.

The spelling of 122644983 in words is "one hundred twenty-two million, six hundred forty-four thousand, nine hundred eighty-three".