126442500506 has 48 divisors (see below), whose sum is σ = 231634914624. Its totient is φ = 51515424576.

The previous prime is 126442500461. The next prime is 126442500539. The reversal of 126442500506 is 605005244621.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195326 + ... + 539478.

It is an arithmetic number, because the mean of its divisors is an integer number (4825727388).

Almost surely, 2^126442500506 is an apocalyptic number.

126442500506 is a deficient number, since it is larger than the sum of its proper divisors (105192414118).

126442500506 is a wasteful number, since it uses less digits than its factorization.

126442500506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344355 (or 344348 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 126442500506 in words is "one hundred twenty-six billion, four hundred forty-two million, five hundred thousand, five hundred six".