126384765207 has 4 divisors (see below), whose sum is σ = 168513020280. Its totient is φ = 84256510136.

The previous prime is 126384765197. The next prime is 126384765223. The reversal of 126384765207 is 702567483621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 126384765207 - 2⁴ = 126384765191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126384765207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126384765257) 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, 21064127532 + ... + 21064127537.

It is an arithmetic number, because the mean of its divisors is an integer number (42128255070).

Almost surely, 2^126384765207 is an apocalyptic number.

126384765207 is a deficient number, since it is larger than the sum of its proper divisors (42128255073).

126384765207 is an equidigital number, since it uses as much as digits as its factorization.

126384765207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42128255072.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 126384765207 in words is "one hundred twenty-six billion, three hundred eighty-four million, seven hundred sixty-five thousand, two hundred seven".