126051603 has 24 divisors (see below), whose sum is σ = 177934848. Its totient is φ = 79335648.

The previous prime is 126051599. The next prime is 126051623. The reversal of 126051603 is 306150621.

It is not a de Polignac number, because 126051603 - 2² = 126051599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126051623) 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 in 23 ways as a sum of consecutive naturals, for example, 118050 + ... + 119112.

It is an arithmetic number, because the mean of its divisors is an integer number (7413952).

Almost surely, 2^126051603 is an apocalyptic number.

126051603 is a deficient number, since it is larger than the sum of its proper divisors (51883245).

126051603 is a wasteful number, since it uses less digits than its factorization.

126051603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 126051603 is about 11227.2705053365. The cubic root of 126051603 is about 501.3982236299.

The spelling of 126051603 in words is "one hundred twenty-six million, fifty-one thousand, six hundred three".