124595948938261 has 2 divisors, whose sum is σ = 124595948938262. Its totient is φ = 124595948938260.

The previous prime is 124595948938217. The next prime is 124595948938297. The reversal of 124595948938261 is 162839849595421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70890590319025 + 53705358619236 = 8419655^2 + 7328394^2 .

It is a cyclic number.

It is not a de Polignac number, because 124595948938261 - 2²¹ = 124595946841109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124595948938211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62297974469130 + 62297974469131.

It is an arithmetic number, because the mean of its divisors is an integer number (62297974469131).

Almost surely, 2^{124595948938261} is an apocalyptic number.

It is an amenable number.

124595948938261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124595948938261 is an equidigital number, since it uses as much as digits as its factorization.

124595948938261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1343692800, while the sum is 76.

The spelling of 124595948938261 in words is "one hundred twenty-four trillion, five hundred ninety-five billion, nine hundred forty-eight million, nine hundred thirty-eight thousand, two hundred sixty-one".