126353603 has 2 divisors, whose sum is σ = 126353604. Its totient is φ = 126353602.

The previous prime is 126353573. The next prime is 126353653. The reversal of 126353603 is 306353621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126353603 - 2¹⁰ = 126352579 is a prime.

It is not a weakly prime, because it can be changed into another prime (126353653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63176801 + 63176802.

It is an arithmetic number, because the mean of its divisors is an integer number (63176802).

Almost surely, 2^126353603 is an apocalyptic number.

126353603 is a deficient number, since it is larger than the sum of its proper divisors (1).

126353603 is an equidigital number, since it uses as much as digits as its factorization.

126353603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 126353603 is about 11240.7118546825. The cubic root of 126353603 is about 501.7983282765.

The spelling of 126353603 in words is "one hundred twenty-six million, three hundred fifty-three thousand, six hundred three".