126271481 has 12 divisors (see below), whose sum is σ = 151954020. Its totient is φ = 104499360.

The previous prime is 126271477. The next prime is 126271501. The reversal of 126271481 is 184172621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 41925625 = 9184^2 + 6475^2 .

It is not a de Polignac number, because 126271481 - 2² = 126271477 is a prime.

It is a super-2 number, since 2×126271481² = 31888973827866722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126271381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43010 + ... + 45851.

It is an arithmetic number, because the mean of its divisors is an integer number (12662835).

Almost surely, 2^126271481 is an apocalyptic number.

It is an amenable number.

126271481 is a deficient number, since it is larger than the sum of its proper divisors (25682539).

126271481 is an equidigital number, since it uses as much as digits as its factorization.

126271481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88904 (or 88897 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 126271481 is about 11237.0583784191. The cubic root of 126271481 is about 501.6895921258.

The spelling of 126271481 in words is "one hundred twenty-six million, two hundred seventy-one thousand, four hundred eighty-one".