1245512023241 has 2 divisors, whose sum is σ = 1245512023242. Its totient is φ = 1245512023240.

The previous prime is 1245512023213. The next prime is 1245512023243. The reversal of 1245512023241 is 1423202155421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652049790016 + 593462233225 = 807496^2 + 770365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245512023241 - 2²² = 1245507828937 is a prime.

Together with 1245512023243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245512023198 and 1245512023207.

It is not a weakly prime, because it can be changed into another prime (1245512023243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622756011620 + 622756011621.

It is an arithmetic number, because the mean of its divisors is an integer number (622756011621).

Almost surely, 2^{1245512023241} is an apocalyptic number.

It is an amenable number.

1245512023241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245512023241 is an equidigital number, since it uses as much as digits as its factorization.

1245512023241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1245512023241 its reverse (1423202155421), we get a palindrome (2668714178662).

The spelling of 1245512023241 in words is "one trillion, two hundred forty-five billion, five hundred twelve million, twenty-three thousand, two hundred forty-one".