126226931 has 2 divisors, whose sum is σ = 126226932. Its totient is φ = 126226930.

The previous prime is 126226927. The next prime is 126226949. The reversal of 126226931 is 139622621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126226931 - 2² = 126226927 is a prime.

It is a super-2 number, since 2×126226931² = 31866476219357522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126726931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63113465 + 63113466.

It is an arithmetic number, because the mean of its divisors is an integer number (63113466).

Almost surely, 2^126226931 is an apocalyptic number.

126226931 is a deficient number, since it is larger than the sum of its proper divisors (1).

126226931 is an equidigital number, since it uses as much as digits as its factorization.

126226931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 126226931 is about 11235.0759231970. The cubic root of 126226931 is about 501.6305846071.

The spelling of 126226931 in words is "one hundred twenty-six million, two hundred twenty-six thousand, nine hundred thirty-one".