126417149 has 2 divisors, whose sum is σ = 126417150. Its totient is φ = 126417148.

The previous prime is 126417121. The next prime is 126417167. The reversal of 126417149 is 941714621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126405049 + 12100 = 11243^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 126417149 - 2¹⁶ = 126351613 is a prime.

It is a super-2 number, since 2×126417149² = 31962591122576402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126417199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63208574 + 63208575.

It is an arithmetic number, because the mean of its divisors is an integer number (63208575).

Almost surely, 2^126417149 is an apocalyptic number.

It is an amenable number.

126417149 is a deficient number, since it is larger than the sum of its proper divisors (1).

126417149 is an equidigital number, since it uses as much as digits as its factorization.

126417149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 126417149 is about 11243.5380997264. The cubic root of 126417149 is about 501.8824359755.

The spelling of 126417149 in words is "one hundred twenty-six million, four hundred seventeen thousand, one hundred forty-nine".