126632105 has 8 divisors (see below), whose sum is σ = 154825992. Its totient is φ = 99394048.

The previous prime is 126632071. The next prime is 126632123. The reversal of 126632105 is 501236621.

It can be written as a sum of positive squares in 4 ways, for example, as 58553104 + 68079001 = 7652^2 + 8251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126632105 - 2⁶ = 126632041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238664 + ... + 239193.

It is an arithmetic number, because the mean of its divisors is an integer number (19353249).

Almost surely, 2^126632105 is an apocalyptic number.

It is an amenable number.

126632105 is a deficient number, since it is larger than the sum of its proper divisors (28193887).

126632105 is an equidigital number, since it uses as much as digits as its factorization.

126632105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477915.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126632105 is about 11253.0931303353. The cubic root of 126632105 is about 502.1667369390.

Adding to 126632105 its reverse (501236621), we get a palindrome (627868726).

The spelling of 126632105 in words is "one hundred twenty-six million, six hundred thirty-two thousand, one hundred five".