400120034107 has 2 divisors, whose sum is σ = 400120034108. Its totient is φ = 400120034106.

The previous prime is 400120034057. The next prime is 400120034159. The reversal of 400120034107 is 701430021004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400120034107 is a prime.

It is not a weakly prime, because it can be changed into another prime (400120064107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200060017053 + 200060017054.

It is an arithmetic number, because the mean of its divisors is an integer number (200060017054).

Almost surely, 2^400120034107 is an apocalyptic number.

400120034107 is a deficient number, since it is larger than the sum of its proper divisors (1).

400120034107 is an equidigital number, since it uses as much as digits as its factorization.

400120034107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The spelling of 400120034107 in words is "four hundred billion, one hundred twenty million, thirty-four thousand, one hundred seven".