126235216 has 10 divisors (see below), whose sum is σ = 244580762. Its totient is φ = 63117600.

The previous prime is 126235199. The next prime is 126235253. The reversal of 126235216 is 612532621.

It can be written as a sum of positive squares in only one way, i.e., 125529616 + 705600 = 11204^2 + 840^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 3944835 + ... + 3944866.

Almost surely, 2^126235216 is an apocalyptic number.

126235216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126235216 is a deficient number, since it is larger than the sum of its proper divisors (118345546).

126235216 is an equidigital number, since it uses as much as digits as its factorization.

126235216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889709 (or 7889703 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 126235216 is about 11235.4446284960. Note that the first 3 decimals coincide. The cubic root of 126235216 is about 501.6415593345.

Adding to 126235216 its reverse (612532621), we get a palindrome (738767837).

The spelling of 126235216 in words is "one hundred twenty-six million, two hundred thirty-five thousand, two hundred sixteen".