124233121340261 has 2 divisors, whose sum is σ = 124233121340262. Its totient is φ = 124233121340260.

The previous prime is 124233121340227. The next prime is 124233121340267. The reversal of 124233121340261 is 162043121332421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123988358620036 + 244762720225 = 11135006^2 + 494735^2 .

It is a cyclic number.

It is not a de Polignac number, because 124233121340261 - 2⁶ = 124233121340197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124233121340267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62116560670130 + 62116560670131.

It is an arithmetic number, because the mean of its divisors is an integer number (62116560670131).

Almost surely, 2^{124233121340261} is an apocalyptic number.

It is an amenable number.

124233121340261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124233121340261 is an equidigital number, since it uses as much as digits as its factorization.

124233121340261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 124233121340261 its reverse (162043121332421), we get a palindrome (286276242672682).

The spelling of 124233121340261 in words is "one hundred twenty-four trillion, two hundred thirty-three billion, one hundred twenty-one million, three hundred forty thousand, two hundred sixty-one".