126874732573 has 2 divisors, whose sum is σ = 126874732574. Its totient is φ = 126874732572.

The previous prime is 126874732531. The next prime is 126874732601. The reversal of 126874732573 is 375237478621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102721532004 + 24153200569 = 320502^2 + 155413^2 .

It is a cyclic number.

It is not a de Polignac number, because 126874732573 - 2¹³ = 126874724381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126874772573) 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, 63437366286 + 63437366287.

It is an arithmetic number, because the mean of its divisors is an integer number (63437366287).

Almost surely, 2^126874732573 is an apocalyptic number.

It is an amenable number.

126874732573 is a deficient number, since it is larger than the sum of its proper divisors (1).

126874732573 is an equidigital number, since it uses as much as digits as its factorization.

126874732573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 55.

The spelling of 126874732573 in words is "one hundred twenty-six billion, eight hundred seventy-four million, seven hundred thirty-two thousand, five hundred seventy-three".