126067268449 has 4 divisors (see below), whose sum is σ = 130133954560. Its totient is φ = 122000582340.

The previous prime is 126067268351. The next prime is 126067268473. The reversal of 126067268449 is 944862760621.

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 126067268449 - 2⁷ = 126067268321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126067268449.

It is not an unprimeable number, because it can be changed into a prime (126067268479) 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, 2033343009 + ... + 2033343070.

It is an arithmetic number, because the mean of its divisors is an integer number (32533488640).

Almost surely, 2^126067268449 is an apocalyptic number.

It is an amenable number.

126067268449 is a deficient number, since it is larger than the sum of its proper divisors (4066686111).

126067268449 is an equidigital number, since it uses as much as digits as its factorization.

126067268449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066686110.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 126067268449 in words is "one hundred twenty-six billion, sixty-seven million, two hundred sixty-eight thousand, four hundred forty-nine".