126037553 has 2 divisors, whose sum is σ = 126037554. Its totient is φ = 126037552.

The previous prime is 126037523. The next prime is 126037573. The reversal of 126037553 is 355730621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 51093904 = 8657^2 + 7148^2 .

It is an emirp because it is prime and its reverse (355730621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126037553 - 2⁸ = 126037297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (126037523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63018776 + 63018777.

It is an arithmetic number, because the mean of its divisors is an integer number (63018777).

Almost surely, 2^126037553 is an apocalyptic number.

It is an amenable number.

126037553 is a deficient number, since it is larger than the sum of its proper divisors (1).

126037553 is an equidigital number, since it uses as much as digits as its factorization.

126037553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 126037553 is about 11226.6447792740. The cubic root of 126037553 is about 501.3795939401.

The spelling of 126037553 in words is "one hundred twenty-six million, thirty-seven thousand, five hundred fifty-three".