126372481 has 2 divisors, whose sum is σ = 126372482. Its totient is φ = 126372480.

The previous prime is 126372479. The next prime is 126372487. The reversal of 126372481 is 184273621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77721856 + 48650625 = 8816^2 + 6975^2 .

It is a cyclic number.

It is not a de Polignac number, because 126372481 - 2¹ = 126372479 is a prime.

It is a super-2 number, since 2×126372481² = 31940007908190722, which contains 22 as substring.

Together with 126372479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126372487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63186240 + 63186241.

It is an arithmetic number, because the mean of its divisors is an integer number (63186241).

Almost surely, 2^126372481 is an apocalyptic number.

It is an amenable number.

126372481 is a deficient number, since it is larger than the sum of its proper divisors (1).

126372481 is an equidigital number, since it uses as much as digits as its factorization.

126372481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 126372481 is about 11241.5515388224. The cubic root of 126372481 is about 501.8233176103.

The spelling of 126372481 in words is "one hundred twenty-six million, three hundred seventy-two thousand, four hundred eighty-one".