126175249 has 2 divisors, whose sum is σ = 126175250. Its totient is φ = 126175248.

The previous prime is 126175243. The next prime is 126175277. The reversal of 126175249 is 942571621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 7800849 = 10880^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 126175249 - 2¹³ = 126167057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126175243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63087624 + 63087625.

It is an arithmetic number, because the mean of its divisors is an integer number (63087625).

Almost surely, 2^126175249 is an apocalyptic number.

It is an amenable number.

126175249 is a deficient number, since it is larger than the sum of its proper divisors (1).

126175249 is an equidigital number, since it uses as much as digits as its factorization.

126175249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 126175249 is about 11232.7756587586. The cubic root of 126175249 is about 501.5621131889.

The spelling of 126175249 in words is "one hundred twenty-six million, one hundred seventy-five thousand, two hundred forty-nine".