2124878843 has 2 divisors, whose sum is σ = 2124878844. Its totient is φ = 2124878842.

The previous prime is 2124878801. The next prime is 2124878857. The reversal of 2124878843 is 3488784212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2124878843 - 2⁶ = 2124878779 is a prime.

It is a super-2 number, since 2×2124878843² = 9030220194858037298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2124808843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062439421 + 1062439422.

It is an arithmetic number, because the mean of its divisors is an integer number (1062439422).

Almost surely, 2^2124878843 is an apocalyptic number.

2124878843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124878843 is an equidigital number, since it uses as much as digits as its factorization.

2124878843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 47.

The square root of 2124878843 is about 46096.4081355587. The cubic root of 2124878843 is about 1285.6163612362.

The spelling of 2124878843 in words is "two billion, one hundred twenty-four million, eight hundred seventy-eight thousand, eight hundred forty-three".