2124860291 has 2 divisors, whose sum is σ = 2124860292. Its totient is φ = 2124860290.

The previous prime is 2124860261. The next prime is 2124860357. The reversal of 2124860291 is 1920684212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124860291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2124860201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062430145 + 1062430146.

It is an arithmetic number, because the mean of its divisors is an integer number (1062430146).

Almost surely, 2^2124860291 is an apocalyptic number.

2124860291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124860291 is an equidigital number, since it uses as much as digits as its factorization.

2124860291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2124860291 is about 46096.2069046901. The cubic root of 2124860291 is about 1285.6126197171.

The spelling of 2124860291 in words is "two billion, one hundred twenty-four million, eight hundred sixty thousand, two hundred ninety-one".