126938143 has 2 divisors, whose sum is σ = 126938144. Its totient is φ = 126938142.

The previous prime is 126938101. The next prime is 126938153. The reversal of 126938143 is 341839621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126938143 - 2¹⁷ = 126807071 is a prime.

It is a super-2 number, since 2×126938143² = 32226584296576898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126938153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63469071 + 63469072.

It is an arithmetic number, because the mean of its divisors is an integer number (63469072).

Almost surely, 2^126938143 is an apocalyptic number.

126938143 is a deficient number, since it is larger than the sum of its proper divisors (1).

126938143 is an equidigital number, since it uses as much as digits as its factorization.

126938143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 126938143 is about 11266.6828747418. The cubic root of 126938143 is about 502.5709484569.

The spelling of 126938143 in words is "one hundred twenty-six million, nine hundred thirty-eight thousand, one hundred forty-three".