126876087073 has 4 divisors (see below), whose sum is σ = 127125352980. Its totient is φ = 126626821168.

The previous prime is 126876087043. The next prime is 126876087077. The reversal of 126876087073 is 370780678621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87738586849 + 39137500224 = 296207^2 + 197832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126876087073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126876087077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124632190 + ... + 124633207.

It is an arithmetic number, because the mean of its divisors is an integer number (31781338245).

Almost surely, 2^126876087073 is an apocalyptic number.

It is an amenable number.

126876087073 is a deficient number, since it is larger than the sum of its proper divisors (249265907).

126876087073 is an equidigital number, since it uses as much as digits as its factorization.

126876087073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249265906.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 126876087073 in words is "one hundred twenty-six billion, eight hundred seventy-six million, eighty-seven thousand, seventy-three".