260124257 has 2 divisors, whose sum is σ = 260124258. Its totient is φ = 260124256.

The previous prime is 260124253. The next prime is 260124283. The reversal of 260124257 is 752421062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232288081 + 27836176 = 15241^2 + 5276^2 .

It is a cyclic number.

It is not a de Polignac number, because 260124257 - 2² = 260124253 is a prime.

It is not a weakly prime, because it can be changed into another prime (260124251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130062128 + 130062129.

It is an arithmetic number, because the mean of its divisors is an integer number (130062129).

Almost surely, 2^260124257 is an apocalyptic number.

It is an amenable number.

260124257 is a deficient number, since it is larger than the sum of its proper divisors (1).

260124257 is an equidigital number, since it uses as much as digits as its factorization.

260124257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 260124257 is about 16128.3680823572. The cubic root of 260124257 is about 638.3520894412.

The spelling of 260124257 in words is "two hundred sixty million, one hundred twenty-four thousand, two hundred fifty-seven".