306730606121 has 4 divisors (see below), whose sum is σ = 309145807872. Its totient is φ = 304315404372.

The previous prime is 306730606103. The next prime is 306730606139. The reversal of 306730606121 is 121606037603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (306730606103) and next prime (306730606139).

It is a cyclic number.

It is not a de Polignac number, because 306730606121 - 2³⁰ = 305656864297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306730606321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207600685 + ... + 1207600938.

It is an arithmetic number, because the mean of its divisors is an integer number (77286451968).

Almost surely, 2^306730606121 is an apocalyptic number.

It is an amenable number.

306730606121 is a deficient number, since it is larger than the sum of its proper divisors (2415201751).

306730606121 is a wasteful number, since it uses less digits than its factorization.

306730606121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415201750.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 306730606121 in words is "three hundred six billion, seven hundred thirty million, six hundred six thousand, one hundred twenty-one".