126627722971 has 16 divisors (see below), whose sum is σ = 130455851680. Its totient is φ = 122864532480.

The previous prime is 126627722959. The next prime is 126627722983. The reversal of 126627722971 is 179227726621.

It is an interprime number because it is at equal distance from previous prime (126627722959) and next prime (126627722983).

It is a cyclic number.

It is not a de Polignac number, because 126627722971 - 2⁵ = 126627722939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126627722071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1781665 + ... + 1851373.

It is an arithmetic number, because the mean of its divisors is an integer number (8153490730).

Almost surely, 2^126627722971 is an apocalyptic number.

126627722971 is a deficient number, since it is larger than the sum of its proper divisors (3828128709).

126627722971 is an equidigital number, since it uses as much as digits as its factorization.

126627722971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70174.

The product of its digits is 1778112, while the sum is 52.

The spelling of 126627722971 in words is "one hundred twenty-six billion, six hundred twenty-seven million, seven hundred twenty-two thousand, nine hundred seventy-one".