126543119 has 2 divisors, whose sum is σ = 126543120. Its totient is φ = 126543118.

The previous prime is 126543113. The next prime is 126543127. The reversal of 126543119 is 911345621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126543119 - 2⁴ = 126543103 is a prime.

It is a super-2 number, since 2×126543119² = 32026321932496322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126543113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63271559 + 63271560.

It is an arithmetic number, because the mean of its divisors is an integer number (63271560).

Almost surely, 2^126543119 is an apocalyptic number.

126543119 is a deficient number, since it is larger than the sum of its proper divisors (1).

126543119 is an equidigital number, since it uses as much as digits as its factorization.

126543119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 126543119 is about 11249.1385892432. The cubic root of 126543119 is about 502.0490830459.

The spelling of 126543119 in words is "one hundred twenty-six million, five hundred forty-three thousand, one hundred nineteen".