1125003072673 has 2 divisors, whose sum is σ = 1125003072674. Its totient is φ = 1125003072672.

The previous prime is 1125003072671. The next prime is 1125003072709. The reversal of 1125003072673 is 3762703005211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612600505344 + 512402567329 = 782688^2 + 715823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125003072673 - 2¹ = 1125003072671 is a prime.

Together with 1125003072671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1125003072671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562501536336 + 562501536337.

It is an arithmetic number, because the mean of its divisors is an integer number (562501536337).

Almost surely, 2^{1125003072673} is an apocalyptic number.

It is an amenable number.

1125003072673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125003072673 is an equidigital number, since it uses as much as digits as its factorization.

1125003072673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

Adding to 1125003072673 its reverse (3762703005211), we get a palindrome (4887706077884).

The spelling of 1125003072673 in words is "one trillion, one hundred twenty-five billion, three million, seventy-two thousand, six hundred seventy-three".