126706051 has 2 divisors, whose sum is σ = 126706052. Its totient is φ = 126706050.

The previous prime is 126706043. The next prime is 126706061. The reversal of 126706051 is 150607621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126706051 - 2³ = 126706043 is a prime.

It is not a weakly prime, because it can be changed into another prime (126706061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63353025 + 63353026.

It is an arithmetic number, because the mean of its divisors is an integer number (63353026).

Almost surely, 2^126706051 is an apocalyptic number.

126706051 is a deficient number, since it is larger than the sum of its proper divisors (1).

126706051 is an equidigital number, since it uses as much as digits as its factorization.

126706051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 126706051 is about 11256.3782363600. The cubic root of 126706051 is about 502.2644635937.

It can be divided in two parts, 12670 and 6051, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 126706051 in words is "one hundred twenty-six million, seven hundred six thousand, fifty-one".