126241403 has 2 divisors, whose sum is σ = 126241404. Its totient is φ = 126241402.

The previous prime is 126241397. The next prime is 126241469. The reversal of 126241403 is 304142621.

It is a weak prime.

It is an emirp because it is prime and its reverse (304142621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126241403 - 2²⁰ = 125192827 is a prime.

It is not a weakly prime, because it can be changed into another prime (126241603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63120701 + 63120702.

It is an arithmetic number, because the mean of its divisors is an integer number (63120702).

Almost surely, 2^126241403 is an apocalyptic number.

126241403 is a deficient number, since it is larger than the sum of its proper divisors (1).

126241403 is an equidigital number, since it uses as much as digits as its factorization.

126241403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 126241403 is about 11235.7199591303. The cubic root of 126241403 is about 501.6497546325.

The spelling of 126241403 in words is "one hundred twenty-six million, two hundred forty-one thousand, four hundred three".