120644126 has 8 divisors (see below), whose sum is σ = 186803904. Its totient is φ = 58376160.

The previous prime is 120644119. The next prime is 120644171. The reversal of 120644126 is 621446021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120644095 and 120644104.

It is a congruent number.

It is an unprimeable number.

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, 972875 + ... + 972998.

It is an arithmetic number, because the mean of its divisors is an integer number (23350488).

Almost surely, 2^120644126 is an apocalyptic number.

120644126 is a deficient number, since it is larger than the sum of its proper divisors (66159778).

120644126 is a wasteful number, since it uses less digits than its factorization.

120644126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945906.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 120644126 is about 10983.8119976627. The cubic root of 120644126 is about 494.1233690141.

The spelling of 120644126 in words is "one hundred twenty million, six hundred forty-four thousand, one hundred twenty-six".