1203244239947 has 2 divisors, whose sum is σ = 1203244239948. Its totient is φ = 1203244239946.

The previous prime is 1203244239937. The next prime is 1203244239983. The reversal of 1203244239947 is 7499324423021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203244239947 - 2¹⁴ = 1203244223563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203244239895 and 1203244239904.

It is not a weakly prime, because it can be changed into another prime (1203244239937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601622119973 + 601622119974.

It is an arithmetic number, because the mean of its divisors is an integer number (601622119974).

Almost surely, 2^{1203244239947} is an apocalyptic number.

1203244239947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203244239947 is an equidigital number, since it uses as much as digits as its factorization.

1203244239947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 1203244239947 in words is "one trillion, two hundred three billion, two hundred forty-four million, two hundred thirty-nine thousand, nine hundred forty-seven".