1245802234541 has 2 divisors, whose sum is σ = 1245802234542. Its totient is φ = 1245802234540.

The previous prime is 1245802234513. The next prime is 1245802234543. The reversal of 1245802234541 is 1454322085421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839842112041 + 405960122500 = 916429^2 + 637150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245802234541 is a prime.

Together with 1245802234543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245802234543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622901117270 + 622901117271.

It is an arithmetic number, because the mean of its divisors is an integer number (622901117271).

Almost surely, 2^{1245802234541} is an apocalyptic number.

It is an amenable number.

1245802234541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245802234541 is an equidigital number, since it uses as much as digits as its factorization.

1245802234541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 1245802234541 in words is "one trillion, two hundred forty-five billion, eight hundred two million, two hundred thirty-four thousand, five hundred forty-one".