126448764997 has 4 divisors (see below), whose sum is σ = 126463987936. Its totient is φ = 126433542060.

The previous prime is 126448764917. The next prime is 126448765007. The reversal of 126448764997 is 799467844621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126448764997 - 2¹¹ = 126448762949 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 (126448764917) 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, 7599003 + ... + 7615624.

It is an arithmetic number, because the mean of its divisors is an integer number (31615996984).

Almost surely, 2^126448764997 is an apocalyptic number.

It is an amenable number.

126448764997 is a deficient number, since it is larger than the sum of its proper divisors (15222939).

126448764997 is an equidigital number, since it uses as much as digits as its factorization.

126448764997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222938.

The product of its digits is 146313216, while the sum is 67.

The spelling of 126448764997 in words is "one hundred twenty-six billion, four hundred forty-eight million, seven hundred sixty-four thousand, nine hundred ninety-seven".