120687028 has 48 divisors (see below), whose sum is σ = 265305600. Its totient is φ = 46666080.

The previous prime is 120687019. The next prime is 120687041. The reversal of 120687028 is 820786021.

It is a junction number, because it is equal to n+sod(n) for n = 120686984 and 120687002.

It is a congruent number.

It is an unprimeable number.

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, 41403 + ... + 44221.

It is an arithmetic number, because the mean of its divisors is an integer number (5527200).

Almost surely, 2^120687028 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 120687028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132652800).

120687028 is an abundant number, since it is smaller than the sum of its proper divisors (144618572).

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

120687028 is a wasteful number, since it uses less digits than its factorization.

120687028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 120687028 is about 10985.7647890349. The cubic root of 120687028 is about 494.1819334580.

The spelling of 120687028 in words is "one hundred twenty million, six hundred eighty-seven thousand, twenty-eight".