1245246522241 has 2 divisors, whose sum is σ = 1245246522242. Its totient is φ = 1245246522240.

The previous prime is 1245246522229. The next prime is 1245246522269. The reversal of 1245246522241 is 1422256425421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772034609025 + 473211913216 = 878655^2 + 687904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245246522241 - 2²⁵ = 1245212967809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245246522194 and 1245246522203.

It is not a weakly prime, because it can be changed into another prime (1245246522271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622623261120 + 622623261121.

It is an arithmetic number, because the mean of its divisors is an integer number (622623261121).

Almost surely, 2^{1245246522241} is an apocalyptic number.

It is an amenable number.

1245246522241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245246522241 is an equidigital number, since it uses as much as digits as its factorization.

1245246522241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 40.

The spelling of 1245246522241 in words is "one trillion, two hundred forty-five billion, two hundred forty-six million, five hundred twenty-two thousand, two hundred forty-one".