126143851 has 2 divisors, whose sum is σ = 126143852. Its totient is φ = 126143850.

The previous prime is 126143833. The next prime is 126143879. The reversal of 126143851 is 158341621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126143851 - 2⁵ = 126143819 is a prime.

It is a super-2 number, since 2×126143851² = 31824542290220402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126143651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63071925 + 63071926.

It is an arithmetic number, because the mean of its divisors is an integer number (63071926).

Almost surely, 2^126143851 is an apocalyptic number.

126143851 is a deficient number, since it is larger than the sum of its proper divisors (1).

126143851 is an equidigital number, since it uses as much as digits as its factorization.

126143851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 126143851 is about 11231.3779653255. The cubic root of 126143851 is about 501.5205061020.

The spelling of 126143851 in words is "one hundred twenty-six million, one hundred forty-three thousand, eight hundred fifty-one".