930612121 has 2 divisors, whose sum is σ = 930612122. Its totient is φ = 930612120.

The previous prime is 930612119. The next prime is 930612143. The reversal of 930612121 is 121216039.

930612121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840362121 + 90250000 = 28989^2 + 9500^2 .

It is a cyclic number.

It is not a de Polignac number, because 930612121 - 2¹ = 930612119 is a prime.

Together with 930612119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (930612421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465306060 + 465306061.

It is an arithmetic number, because the mean of its divisors is an integer number (465306061).

Almost surely, 2^930612121 is an apocalyptic number.

It is an amenable number.

930612121 is a deficient number, since it is larger than the sum of its proper divisors (1).

930612121 is an equidigital number, since it uses as much as digits as its factorization.

930612121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 930612121 is about 30505.9358322278. The cubic root of 930612121 is about 976.3141152929.

The spelling of 930612121 in words is "nine hundred thirty million, six hundred twelve thousand, one hundred twenty-one".