1203054509873 has 2 divisors, whose sum is σ = 1203054509874. Its totient is φ = 1203054509872.

The previous prime is 1203054509863. The next prime is 1203054509989. The reversal of 1203054509873 is 3789054503021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907414371889 + 295640137984 = 952583^2 + 543728^2 .

It is an emirp because it is prime and its reverse (3789054503021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203054509873 - 2⁴ = 1203054509857 is a prime.

It is a super-2 number, since 2×1203054509873² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1203054509863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601527254936 + 601527254937.

It is an arithmetic number, because the mean of its divisors is an integer number (601527254937).

Almost surely, 2^{1203054509873} is an apocalyptic number.

It is an amenable number.

1203054509873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203054509873 is an equidigital number, since it uses as much as digits as its factorization.

1203054509873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 1203054509873 in words is "one trillion, two hundred three billion, fifty-four million, five hundred nine thousand, eight hundred seventy-three".