1220930635 has 8 divisors (see below), whose sum is σ = 1465725456. Its totient is φ = 976338720.

The previous prime is 1220930617. The next prime is 1220930647. The reversal of 1220930635 is 5360390221.

1220930635 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220930635 - 2⁵ = 1220930603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220930597 and 1220930606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37156 + ... + 61825.

It is an arithmetic number, because the mean of its divisors is an integer number (183215682).

Almost surely, 2^1220930635 is an apocalyptic number.

1220930635 is a deficient number, since it is larger than the sum of its proper divisors (244794821).

1220930635 is an equidigital number, since it uses as much as digits as its factorization.

1220930635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101453.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1220930635 is about 34941.8178548283. The cubic root of 1220930635 is about 1068.8013581330.

The spelling of 1220930635 in words is "one billion, two hundred twenty million, nine hundred thirty thousand, six hundred thirty-five".