126512233 has 2 divisors, whose sum is σ = 126512234. Its totient is φ = 126512232.

The previous prime is 126512207. The next prime is 126512237. The reversal of 126512233 is 332215621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126270169 + 242064 = 11237^2 + 492^2 .

It is an emirp because it is prime and its reverse (332215621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126512233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126512198 and 126512207.

It is not a weakly prime, because it can be changed into another prime (126512237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63256116 + 63256117.

It is an arithmetic number, because the mean of its divisors is an integer number (63256117).

Almost surely, 2^126512233 is an apocalyptic number.

It is an amenable number.

126512233 is a deficient number, since it is larger than the sum of its proper divisors (1).

126512233 is an equidigital number, since it uses as much as digits as its factorization.

126512233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 126512233 is about 11247.7656892380. The cubic root of 126512233 is about 502.0082338612.

Adding to 126512233 its reverse (332215621), we get a palindrome (458727854).

It can be divided in two parts, 12651 and 2233, that added together give a square (14884 = 122²).

The spelling of 126512233 in words is "one hundred twenty-six million, five hundred twelve thousand, two hundred thirty-three".