124551550542257 has 2 divisors, whose sum is σ = 124551550542258. Its totient is φ = 124551550542256.

The previous prime is 124551550542121. The next prime is 124551550542283. The reversal of 124551550542257 is 752245055155421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120620050736656 + 3931499805601 = 10982716^2 + 1982801^2 .

It is a cyclic number.

It is not a de Polignac number, because 124551550542257 - 2²² = 124551546347953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124551550542199 and 124551550542208.

It is not a weakly prime, because it can be changed into another prime (124551550542457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62275775271128 + 62275775271129.

It is an arithmetic number, because the mean of its divisors is an integer number (62275775271129).

Almost surely, 2^{124551550542257} is an apocalyptic number.

It is an amenable number.

124551550542257 is a deficient number, since it is larger than the sum of its proper divisors (1).

124551550542257 is an equidigital number, since it uses as much as digits as its factorization.

124551550542257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000000, while the sum is 53.

The spelling of 124551550542257 in words is "one hundred twenty-four trillion, five hundred fifty-one billion, five hundred fifty million, five hundred forty-two thousand, two hundred fifty-seven".