126548381 has 2 divisors, whose sum is σ = 126548382. Its totient is φ = 126548380.

The previous prime is 126548371. The next prime is 126548413. The reversal of 126548381 is 183845621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119552356 + 6996025 = 10934^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 126548381 - 2¹⁴ = 126531997 is a prime.

It is a super-2 number, since 2×126548381² = 32028985467442322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126548311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63274190 + 63274191.

It is an arithmetic number, because the mean of its divisors is an integer number (63274191).

Almost surely, 2^126548381 is an apocalyptic number.

It is an amenable number.

126548381 is a deficient number, since it is larger than the sum of its proper divisors (1).

126548381 is an equidigital number, since it uses as much as digits as its factorization.

126548381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 126548381 is about 11249.3724713870. The cubic root of 126548381 is about 502.0560417956.

The spelling of 126548381 in words is "one hundred twenty-six million, five hundred forty-eight thousand, three hundred eighty-one".