126371861207 has 4 divisors (see below), whose sum is σ = 126587146056. Its totient is φ = 126156576360.

The previous prime is 126371861179. The next prime is 126371861293. The reversal of 126371861207 is 702168173621.

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 126371861207 - 2³⁴ = 109191992023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126371861807) 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, 107641544 + ... + 107642717.

It is an arithmetic number, because the mean of its divisors is an integer number (31646786514).

Almost surely, 2^126371861207 is an apocalyptic number.

126371861207 is a deficient number, since it is larger than the sum of its proper divisors (215284849).

126371861207 is an equidigital number, since it uses as much as digits as its factorization.

126371861207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215284848.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 126371861207 in words is "one hundred twenty-six billion, three hundred seventy-one million, eight hundred sixty-one thousand, two hundred seven".