120728622 has 32 divisors (see below), whose sum is σ = 290476800. Its totient is φ = 32678208.

The previous prime is 120728593. The next prime is 120728623. The reversal of 120728622 is 226827021.

It is a self number, because there is not a number n which added to its sum of digits gives 120728622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120728623) 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 15 ways as a sum of consecutive naturals, for example, 74847 + ... + 76442.

It is an arithmetic number, because the mean of its divisors is an integer number (9077400).

Almost surely, 2^120728622 is an apocalyptic number.

120728622 is an abundant number, since it is smaller than the sum of its proper divisors (169748178).

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

120728622 is a wasteful number, since it uses less digits than its factorization.

120728622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151320.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 120728622 is about 10987.6577121787. The cubic root of 120728622 is about 494.2386991347.

The spelling of 120728622 in words is "one hundred twenty million, seven hundred twenty-eight thousand, six hundred twenty-two".