126425645337 has 4 divisors (see below), whose sum is σ = 168567527120. Its totient is φ = 84283763556.

The previous prime is 126425645267. The next prime is 126425645369. The reversal of 126425645337 is 733546524621.

It is a happy number.

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 not a de Polignac number, because 126425645337 - 2¹² = 126425641241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126425645387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21070940887 + ... + 21070940892.

It is an arithmetic number, because the mean of its divisors is an integer number (42141881780).

Almost surely, 2^126425645337 is an apocalyptic number.

It is an amenable number.

126425645337 is a deficient number, since it is larger than the sum of its proper divisors (42141881783).

126425645337 is an equidigital number, since it uses as much as digits as its factorization.

126425645337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42141881782.

The product of its digits is 3628800, while the sum is 48.

The spelling of 126425645337 in words is "one hundred twenty-six billion, four hundred twenty-five million, six hundred forty-five thousand, three hundred thirty-seven".