126012803 has 12 divisors (see below), whose sum is σ = 147626640. Its totient is φ = 105366720.

The previous prime is 126012779. The next prime is 126012811. The reversal of 126012803 is 308210621.

It is not a de Polignac number, because 126012803 - 2⁶ = 126012739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126012893) 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 11 ways as a sum of consecutive naturals, for example, 6413 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (12302220).

Almost surely, 2^126012803 is an apocalyptic number.

126012803 is a deficient number, since it is larger than the sum of its proper divisors (21613837).

126012803 is an equidigital number, since it uses as much as digits as its factorization.

126012803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798 (or 10757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 126012803 is about 11225.5424367823. The cubic root of 126012803 is about 501.3467731471.

The spelling of 126012803 in words is "one hundred twenty-six million, twelve thousand, eight hundred three".