126075002129 has 8 divisors (see below), whose sum is σ = 126746411880. Its totient is φ = 125403780096.

The previous prime is 126075002071. The next prime is 126075002147. The reversal of 126075002129 is 921200570621.

It can be written as a sum of positive squares in 4 ways, for example, as 3205824400 + 122869177729 = 56620^2 + 350527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126075002129 - 2⁸ = 126075001873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126075002629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421639 + ... + 1507715.

It is an arithmetic number, because the mean of its divisors is an integer number (15843301485).

Almost surely, 2^126075002129 is an apocalyptic number.

It is an amenable number.

126075002129 is a deficient number, since it is larger than the sum of its proper divisors (671409751).

126075002129 is an equidigital number, since it uses as much as digits as its factorization.

126075002129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93859.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 126075002129 in words is "one hundred twenty-six billion, seventy-five million, two thousand, one hundred twenty-nine".