126871361 has 2 divisors, whose sum is σ = 126871362. Its totient is φ = 126871360.

The previous prime is 126871333. The next prime is 126871363. The reversal of 126871361 is 163178621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 7187761 = 10940^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 126871361 - 2¹⁴ = 126854977 is a prime.

Together with 126871363, 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 (126871363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63435680 + 63435681.

It is an arithmetic number, because the mean of its divisors is an integer number (63435681).

Almost surely, 2^126871361 is an apocalyptic number.

It is an amenable number.

126871361 is a deficient number, since it is larger than the sum of its proper divisors (1).

126871361 is an equidigital number, since it uses as much as digits as its factorization.

126871361 is an evil number, because the sum of its binary digits is even.

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

The square root of 126871361 is about 11263.7187908790. The cubic root of 126871361 is about 502.4827990119.

The spelling of 126871361 in words is "one hundred twenty-six million, eight hundred seventy-one thousand, three hundred sixty-one".