2122126807 has 2 divisors, whose sum is σ = 2122126808. Its totient is φ = 2122126806.

The previous prime is 2122126753. The next prime is 2122126843. The reversal of 2122126807 is 7086212212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122126807 - 2¹⁹ = 2121602519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122126907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061063403 + 1061063404.

It is an arithmetic number, because the mean of its divisors is an integer number (1061063404).

Almost surely, 2^2122126807 is an apocalyptic number.

2122126807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122126807 is an equidigital number, since it uses as much as digits as its factorization.

2122126807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2122126807 is about 46066.5475915007. The cubic root of 2122126807 is about 1285.0610996096.

The spelling of 2122126807 in words is "two billion, one hundred twenty-two million, one hundred twenty-six thousand, eight hundred seven".