126036167447 has 4 divisors (see below), whose sum is σ = 126037683096. Its totient is φ = 126034651800.

The previous prime is 126036167437. The next prime is 126036167461. The reversal of 126036167447 is 744761630621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744761630621 = 19 ⋅39197980559.

It is a cyclic number.

It is not a de Polignac number, because 126036167447 - 2¹⁶ = 126036101911 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 (126036167407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625373 + ... + 801974.

It is an arithmetic number, because the mean of its divisors is an integer number (31509420774).

Almost surely, 2^126036167447 is an apocalyptic number.

126036167447 is a deficient number, since it is larger than the sum of its proper divisors (1515649).

126036167447 is an equidigital number, since it uses as much as digits as its factorization.

126036167447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515648.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 126036167447 in words is "one hundred twenty-six billion, thirty-six million, one hundred sixty-seven thousand, four hundred forty-seven".