126885029 has 2 divisors, whose sum is σ = 126885030. Its totient is φ = 126885028.

The previous prime is 126885019. The next prime is 126885053. The reversal of 126885029 is 920588621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 2896804 = 11135^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 126885029 - 2⁴ = 126885013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126885019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63442514 + 63442515.

It is an arithmetic number, because the mean of its divisors is an integer number (63442515).

Almost surely, 2^126885029 is an apocalyptic number.

It is an amenable number.

126885029 is a deficient number, since it is larger than the sum of its proper divisors (1).

126885029 is an equidigital number, since it uses as much as digits as its factorization.

126885029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 126885029 is about 11264.3255013338. The cubic root of 126885029 is about 502.5008427170.

The spelling of 126885029 in words is "one hundred twenty-six million, eight hundred eighty-five thousand, twenty-nine".