120649968 has 30 divisors (see below), whose sum is σ = 337652744. Its totient is φ = 40216608.

The previous prime is 120649967. The next prime is 120649999. The reversal of 120649968 is 869946021.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120649967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418780 + ... + 419067.

Almost surely, 2^120649968 is an apocalyptic number.

120649968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120649968 is an abundant number, since it is smaller than the sum of its proper divisors (217002776).

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

120649968 is a wasteful number, since it uses less digits than its factorization.

120649968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837861 (or 837852 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 120649968 is about 10984.0779312603. The cubic root of 120649968 is about 494.1313445983.

The spelling of 120649968 in words is "one hundred twenty million, six hundred forty-nine thousand, nine hundred sixty-eight".