120869720 has 32 divisors (see below), whose sum is σ = 272412720. Its totient is φ = 48266880.

The previous prime is 120869719. The next prime is 120869729. The reversal of 120869720 is 27968021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120869729) 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 7 ways as a sum of consecutive naturals, for example, 25454 + ... + 29826.

Almost surely, 2^120869720 is an apocalyptic number.

120869720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120869720 is an abundant number, since it is smaller than the sum of its proper divisors (151543000).

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

120869720 is a wasteful number, since it uses less digits than its factorization.

120869720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075 (or 5071 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 120869720 is about 10994.0765869626. The cubic root of 120869720 is about 494.4311664527.

The spelling of 120869720 in words is "one hundred twenty million, eight hundred sixty-nine thousand, seven hundred twenty".