120639948 has 96 divisors (see below), whose sum is σ = 333231360. Its totient is φ = 33488640.

The previous prime is 120639947. The next prime is 120639977. The reversal of 120639948 is 849936021.

It is not an unprimeable number, because it can be changed into a prime (120639947) 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 31 ways as a sum of consecutive naturals, for example, 392811 + ... + 393117.

It is an arithmetic number, because the mean of its divisors is an integer number (3471160).

Almost surely, 2^120639948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120639948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166615680).

120639948 is an abundant number, since it is smaller than the sum of its proper divisors (212591412).

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

120639948 is a wasteful number, since it uses less digits than its factorization.

120639948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 120639948 is about 10983.6218070361. The cubic root of 120639948 is about 494.1176649893.

The spelling of 120639948 in words is "one hundred twenty million, six hundred thirty-nine thousand, nine hundred forty-eight".