2121000967 has 2 divisors, whose sum is σ = 2121000968. Its totient is φ = 2121000966.

The previous prime is 2121000941. The next prime is 2121000991. The reversal of 2121000967 is 7690001212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121000967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121000467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060500483 + 1060500484.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500484).

Almost surely, 2^2121000967 is an apocalyptic number.

2121000967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121000967 is an equidigital number, since it uses as much as digits as its factorization.

2121000967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 2121000967 is about 46054.3262571498. The cubic root of 2121000967 is about 1284.8338073308.

The spelling of 2121000967 in words is "two billion, one hundred twenty-one million, nine hundred sixty-seven", and thus it is an aban number.