3120121967 has 2 divisors, whose sum is σ = 3120121968. Its totient is φ = 3120121966.

The previous prime is 3120121943. The next prime is 3120122003. The reversal of 3120121967 is 7691210213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3120121967 - 2¹⁶ = 3120056431 is a prime.

It is a super-2 number, since 2×3120121967² = 19470322177911898178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120124967) 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 as a sum of consecutive naturals, namely, 1560060983 + 1560060984.

It is an arithmetic number, because the mean of its divisors is an integer number (1560060984).

Almost surely, 2^3120121967 is an apocalyptic number.

3120121967 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120121967 is an equidigital number, since it uses as much as digits as its factorization.

3120121967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 3120121967 is about 55858.0519441915. The cubic root of 3120121967 is about 1461.2477553425.

The spelling of 3120121967 in words is "three billion, one hundred twenty million, one hundred twenty-one thousand, nine hundred sixty-seven".