126426481 has 2 divisors, whose sum is σ = 126426482. Its totient is φ = 126426480.

The previous prime is 126426479. The next prime is 126426539. The reversal of 126426481 is 184624621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112699456 + 13727025 = 10616^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 126426481 - 2¹ = 126426479 is a prime.

It is a super-2 number, since 2×126426481² = 31967310196086722, which contains 22 as substring.

Together with 126426479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126426281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63213240 + 63213241.

It is an arithmetic number, because the mean of its divisors is an integer number (63213241).

Almost surely, 2^126426481 is an apocalyptic number.

It is an amenable number.

126426481 is a deficient number, since it is larger than the sum of its proper divisors (1).

126426481 is an equidigital number, since it uses as much as digits as its factorization.

126426481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 126426481 is about 11243.9530859925. The cubic root of 126426481 is about 501.8947851747.

The spelling of 126426481 in words is "one hundred twenty-six million, four hundred twenty-six thousand, four hundred eighty-one".