120028929 has 16 divisors (see below), whose sum is σ = 163799040. Its totient is φ = 78146640.

The previous prime is 120028919. The next prime is 120028933. The reversal of 120028929 is 929820021.

It is a happy number.

It is not a de Polignac number, because 120028929 - 2⁴ = 120028913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120028929.

It is not an unprimeable number, because it can be changed into a prime (120028919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120624 + ... + 121614.

It is an arithmetic number, because the mean of its divisors is an integer number (10237440).

Almost surely, 2^120028929 is an apocalyptic number.

It is an amenable number.

120028929 is a deficient number, since it is larger than the sum of its proper divisors (43770111).

120028929 is an equidigital number, since it uses as much as digits as its factorization.

120028929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 120028929 is about 10955.7714926882. The cubic root of 120028929 is about 493.2820478198.

The spelling of 120028929 in words is "one hundred twenty million, twenty-eight thousand, nine hundred twenty-nine".