126876863 has 2 divisors, whose sum is σ = 126876864. Its totient is φ = 126876862.

The previous prime is 126876857. The next prime is 126876913. The reversal of 126876863 is 368678621.

It is a weak prime.

It is an emirp because it is prime and its reverse (368678621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126876863 - 2¹⁶ = 126811327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126876823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63438431 + 63438432.

It is an arithmetic number, because the mean of its divisors is an integer number (63438432).

Almost surely, 2^126876863 is an apocalyptic number.

126876863 is a deficient number, since it is larger than the sum of its proper divisors (1).

126876863 is an equidigital number, since it uses as much as digits as its factorization.

126876863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 126876863 is about 11263.9630237319. The cubic root of 126876863 is about 502.4900625907.

The spelling of 126876863 in words is "one hundred twenty-six million, eight hundred seventy-six thousand, eight hundred sixty-three".