126700853879 has 2 divisors, whose sum is σ = 126700853880. Its totient is φ = 126700853878.

The previous prime is 126700853861. The next prime is 126700853891. The reversal of 126700853879 is 978358007621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126700853879 - 2¹² = 126700849783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126700853819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63350426939 + 63350426940.

It is an arithmetic number, because the mean of its divisors is an integer number (63350426940).

Almost surely, 2^126700853879 is an apocalyptic number.

126700853879 is a deficient number, since it is larger than the sum of its proper divisors (1).

126700853879 is an equidigital number, since it uses as much as digits as its factorization.

126700853879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 126700853879 in words is "one hundred twenty-six billion, seven hundred million, eight hundred fifty-three thousand, eight hundred seventy-nine".