126251233 has 2 divisors, whose sum is σ = 126251234. Its totient is φ = 126251232.

The previous prime is 126251207. The next prime is 126251263. The reversal of 126251233 is 332152621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 22353984 = 10193^2 + 4728^2 .

It is a cyclic number.

It is not a de Polignac number, because 126251233 - 2⁵ = 126251201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126251198 and 126251207.

It is not a weakly prime, because it can be changed into another prime (126251263) 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, 63125616 + 63125617.

It is an arithmetic number, because the mean of its divisors is an integer number (63125617).

Almost surely, 2^126251233 is an apocalyptic number.

It is an amenable number.

126251233 is a deficient number, since it is larger than the sum of its proper divisors (1).

126251233 is an equidigital number, since it uses as much as digits as its factorization.

126251233 is an odious number, because the sum of its binary digits is odd.

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

The square root of 126251233 is about 11236.1573947680. The cubic root of 126251233 is about 501.6627748963.

The spelling of 126251233 in words is "one hundred twenty-six million, two hundred fifty-one thousand, two hundred thirty-three".