2124860261 has 2 divisors, whose sum is σ = 2124860262. Its totient is φ = 2124860260.

The previous prime is 2124860237. The next prime is 2124860291. The reversal of 2124860261 is 1620684212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101244225 + 1023616036 = 33185^2 + 31994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124860261 - 2²² = 2120665957 is a prime.

It is a super-2 number, since 2×2124860261² = 9030062257553976242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124860201) 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, 1062430130 + 1062430131.

It is an arithmetic number, because the mean of its divisors is an integer number (1062430131).

Almost surely, 2^2124860261 is an apocalyptic number.

It is an amenable number.

2124860261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124860261 is an equidigital number, since it uses as much as digits as its factorization.

2124860261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2124860261 is about 46096.2065792837. The cubic root of 2124860261 is about 1285.6126136668.

The spelling of 2124860261 in words is "two billion, one hundred twenty-four million, eight hundred sixty thousand, two hundred sixty-one".