3124221047 has 2 divisors, whose sum is σ = 3124221048. Its totient is φ = 3124221046.

The previous prime is 3124221043. The next prime is 3124221049. The reversal of 3124221047 is 7401224213.

It is a strong prime.

It is an emirp because it is prime and its reverse (7401224213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3124221047 - 2² = 3124221043 is a prime.

Together with 3124221049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3124221043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562110523 + 1562110524.

It is an arithmetic number, because the mean of its divisors is an integer number (1562110524).

Almost surely, 2^3124221047 is an apocalyptic number.

3124221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3124221047 is an equidigital number, since it uses as much as digits as its factorization.

3124221047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3124221047 is about 55894.7318358358. The cubic root of 3124221047 is about 1461.8873831511.

The spelling of 3124221047 in words is "three billion, one hundred twenty-four million, two hundred twenty-one thousand, forty-seven".