126766128437 has 8 divisors (see below), whose sum is σ = 136601299296. Its totient is φ = 116942947632.

The previous prime is 126766128413. The next prime is 126766128449. The reversal of 126766128437 is 734821667621.

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 126766128437 - 2²⁴ = 126749351221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126766128637) 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, 2975543 + ... + 3017844.

It is an arithmetic number, because the mean of its divisors is an integer number (17075162412).

Almost surely, 2^126766128437 is an apocalyptic number.

It is an amenable number.

126766128437 is a deficient number, since it is larger than the sum of its proper divisors (9835170859).

126766128437 is a wasteful number, since it uses less digits than its factorization.

126766128437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995027.

The product of its digits is 4064256, while the sum is 53.

The spelling of 126766128437 in words is "one hundred twenty-six billion, seven hundred sixty-six million, one hundred twenty-eight thousand, four hundred thirty-seven".