120630628 has 6 divisors (see below), whose sum is σ = 211103606. Its totient is φ = 60315312.

The previous prime is 120630617. The next prime is 120630637. The reversal of 120630628 is 826036021.

It can be written as a sum of positive squares in only one way, i.e., 117679104 + 2951524 = 10848^2 + 1718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120630596 and 120630605.

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 as a sum of consecutive naturals, namely, 15078825 + ... + 15078832.

Almost surely, 2^120630628 is an apocalyptic number.

It is an amenable number.

120630628 is a deficient number, since it is larger than the sum of its proper divisors (90472978).

120630628 is a wasteful number, since it uses less digits than its factorization.

120630628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30157661 (or 30157659 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 120630628 is about 10983.1975307740. The cubic root of 120630628 is about 494.1049403617.

Adding to 120630628 its reverse (826036021), we get a palindrome (946666649).

The spelling of 120630628 in words is "one hundred twenty million, six hundred thirty thousand, six hundred twenty-eight".