120628239290 has 16 divisors (see below), whose sum is σ = 233833202568. Its totient is φ = 44539657536.

The previous prime is 120628239283. The next prime is 120628239299. The reversal of 120628239290 is 92932826021.

120628239290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 74798421049 + 45829818241 = 273493^2 + 214079^2 .

It is a super-2 number, since 2×120628239290² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120628239299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463954637 + ... + 463954896.

Almost surely, 2^120628239290 is an apocalyptic number.

120628239290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120628239290 is a deficient number, since it is larger than the sum of its proper divisors (113204963278).

120628239290 is a wasteful number, since it uses less digits than its factorization.

120628239290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927909553.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 120628239290 in words is "one hundred twenty billion, six hundred twenty-eight million, two hundred thirty-nine thousand, two hundred ninety".