126523141 has 2 divisors, whose sum is σ = 126523142. Its totient is φ = 126523140.

The previous prime is 126523127. The next prime is 126523151. The reversal of 126523141 is 141325621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126472516 + 50625 = 11246^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 126523141 - 2¹⁷ = 126392069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126523151) 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, 63261570 + 63261571.

It is an arithmetic number, because the mean of its divisors is an integer number (63261571).

Almost surely, 2^126523141 is an apocalyptic number.

It is an amenable number.

126523141 is a deficient number, since it is larger than the sum of its proper divisors (1).

126523141 is an equidigital number, since it uses as much as digits as its factorization.

126523141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 126523141 is about 11248.2505750894. The cubic root of 126523141 is about 502.0226613157.

Adding to 126523141 its reverse (141325621), we get a palindrome (267848762).

The spelling of 126523141 in words is "one hundred twenty-six million, five hundred twenty-three thousand, one hundred forty-one".