126832661 has 2 divisors, whose sum is σ = 126832662. Its totient is φ = 126832660.

The previous prime is 126832637. The next prime is 126832679. The reversal of 126832661 is 166238621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125664100 + 1168561 = 11210^2 + 1081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126832661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126832621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63416330 + 63416331.

It is an arithmetic number, because the mean of its divisors is an integer number (63416331).

Almost surely, 2^126832661 is an apocalyptic number.

It is an amenable number.

126832661 is a deficient number, since it is larger than the sum of its proper divisors (1).

126832661 is an equidigital number, since it uses as much as digits as its factorization.

126832661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 126832661 is about 11262.0007547505. Note that the first 3 decimals coincide. The cubic root of 126832661 is about 502.4317024740.

The spelling of 126832661 in words is "one hundred twenty-six million, eight hundred thirty-two thousand, six hundred sixty-one".