1238499201047 has 2 divisors, whose sum is σ = 1238499201048. Its totient is φ = 1238499201046.

The previous prime is 1238499201031. The next prime is 1238499201053. The reversal of 1238499201047 is 7401029948321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1238499201047 - 2⁴ = 1238499201031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1238499200986 and 1238499201004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1238499401047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619249600523 + 619249600524.

It is an arithmetic number, because the mean of its divisors is an integer number (619249600524).

Almost surely, 2^{1238499201047} is an apocalyptic number.

1238499201047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238499201047 is an equidigital number, since it uses as much as digits as its factorization.

1238499201047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1238499201047 in words is "one trillion, two hundred thirty-eight billion, four hundred ninety-nine million, two hundred one thousand, forty-seven".