126024149 has 2 divisors, whose sum is σ = 126024150. Its totient is φ = 126024148.

The previous prime is 126024139. The next prime is 126024193. The reversal of 126024149 is 941420621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125843524 + 180625 = 11218^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 126024149 - 2⁴ = 126024133 is a prime.

It is a super-2 number, since 2×126024149² = 31764172262348402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (126024139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63012074 + 63012075.

It is an arithmetic number, because the mean of its divisors is an integer number (63012075).

Almost surely, 2^126024149 is an apocalyptic number.

It is an amenable number.

126024149 is a deficient number, since it is larger than the sum of its proper divisors (1).

126024149 is an equidigital number, since it uses as much as digits as its factorization.

126024149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 126024149 is about 11226.0477907410. The cubic root of 126024149 is about 501.3618195277.

The spelling of 126024149 in words is "one hundred twenty-six million, twenty-four thousand, one hundred forty-nine".