1245115063 has 2 divisors, whose sum is σ = 1245115064. Its totient is φ = 1245115062.

The previous prime is 1245115013. The next prime is 1245115099. The reversal of 1245115063 is 3605115421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245115063 - 2⁹ = 1245114551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245115013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622557531 + 622557532.

It is an arithmetic number, because the mean of its divisors is an integer number (622557532).

Almost surely, 2^1245115063 is an apocalyptic number.

1245115063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245115063 is an equidigital number, since it uses as much as digits as its factorization.

1245115063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1245115063 is about 35286.1879919041. The cubic root of 1245115063 is about 1075.8122760796.

The spelling of 1245115063 in words is "one billion, two hundred forty-five million, one hundred fifteen thousand, sixty-three".