126323641 has 2 divisors, whose sum is σ = 126323642. Its totient is φ = 126323640.

The previous prime is 126323627. The next prime is 126323657. The reversal of 126323641 is 146323621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 56250000 = 8371^2 + 7500^2 .

It is a cyclic number.

It is not a de Polignac number, because 126323641 - 2²¹ = 124226489 is a prime.

It is a super-3 number, since 3×126323641³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (126323611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63161820 + 63161821.

It is an arithmetic number, because the mean of its divisors is an integer number (63161821).

Almost surely, 2^126323641 is an apocalyptic number.

It is an amenable number.

126323641 is a deficient number, since it is larger than the sum of its proper divisors (1).

126323641 is an equidigital number, since it uses as much as digits as its factorization.

126323641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 126323641 is about 11239.3790308896. The cubic root of 126323641 is about 501.7586616327.

The spelling of 126323641 in words is "one hundred twenty-six million, three hundred twenty-three thousand, six hundred forty-one".