124445554224553 has 2 divisors, whose sum is σ = 124445554224554. Its totient is φ = 124445554224552.

The previous prime is 124445554224493. The next prime is 124445554224569. The reversal of 124445554224553 is 355422455544421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67714334392384 + 56731219832169 = 8228872^2 + 7532013^2 .

It is a cyclic number.

It is not a de Polignac number, because 124445554224553 - 2⁹ = 124445554224041 is a prime.

It is a super-2 number, since 2×124445554224553² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124445554224494 and 124445554224503.

It is not a weakly prime, because it can be changed into another prime (124445554228553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62222777112276 + 62222777112277.

It is an arithmetic number, because the mean of its divisors is an integer number (62222777112277).

Almost surely, 2^{124445554224553} is an apocalyptic number.

It is an amenable number.

124445554224553 is a deficient number, since it is larger than the sum of its proper divisors (1).

124445554224553 is an equidigital number, since it uses as much as digits as its factorization.

124445554224553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800000, while the sum is 55.

The spelling of 124445554224553 in words is "one hundred twenty-four trillion, four hundred forty-five billion, five hundred fifty-four million, two hundred twenty-four thousand, five hundred fifty-three".