126013447 has 6 divisors (see below), whose sum is σ = 146587128. Its totient is φ = 108011484.

The previous prime is 126013441. The next prime is 126013451. The reversal of 126013447 is 744310621.

It is a de Polignac number, because none of the positive numbers 2^k-126013447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126013441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1285803 + ... + 1285900.

It is an arithmetic number, because the mean of its divisors is an integer number (24431188).

Almost surely, 2^126013447 is an apocalyptic number.

126013447 is a deficient number, since it is larger than the sum of its proper divisors (20573681).

126013447 is an equidigital number, since it uses as much as digits as its factorization.

126013447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571717 (or 2571710 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 126013447 is about 11225.5711213283. The cubic root of 126013447 is about 501.3476272053.

The spelling of 126013447 in words is "one hundred twenty-six million, thirteen thousand, four hundred forty-seven".