126607849507 has 4 divisors (see below), whose sum is σ = 132112538640. Its totient is φ = 121103160376.

The previous prime is 126607849471. The next prime is 126607849559. The reversal of 126607849507 is 705948706621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126607849507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126607849607) 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, 2752344532 + ... + 2752344577.

It is an arithmetic number, because the mean of its divisors is an integer number (33028134660).

Almost surely, 2^126607849507 is an apocalyptic number.

126607849507 is a deficient number, since it is larger than the sum of its proper divisors (5504689133).

126607849507 is an equidigital number, since it uses as much as digits as its factorization.

126607849507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504689132.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 126607849507 in words is "one hundred twenty-six billion, six hundred seven million, eight hundred forty-nine thousand, five hundred seven".