126164849 has 2 divisors, whose sum is σ = 126164850. Its totient is φ = 126164848.

The previous prime is 126164827. The next prime is 126164851. The reversal of 126164849 is 948461621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118701025 + 7463824 = 10895^2 + 2732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126164849 is a prime.

Together with 126164851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126164809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63082424 + 63082425.

It is an arithmetic number, because the mean of its divisors is an integer number (63082425).

Almost surely, 2^126164849 is an apocalyptic number.

It is an amenable number.

126164849 is a deficient number, since it is larger than the sum of its proper divisors (1).

126164849 is an equidigital number, since it uses as much as digits as its factorization.

126164849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 126164849 is about 11232.3127182250. The cubic root of 126164849 is about 501.5483323845.

The spelling of 126164849 in words is "one hundred twenty-six million, one hundred sixty-four thousand, eight hundred forty-nine".