126867202768621 has 32 divisors (see below), whose sum is σ = 151219306764288. Its totient is φ = 104144976875520.

The previous prime is 126867202768571. The next prime is 126867202768699.

126867202768621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126867202768621 - 2¹³ = 126867202760429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126867202768121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417734001 + ... + 418037593.

It is an arithmetic number, because the mean of its divisors is an integer number (4725603336384).

Almost surely, 2^{126867202768621} is an apocalyptic number.

It is an amenable number.

126867202768621 is a deficient number, since it is larger than the sum of its proper divisors (24352103995667).

126867202768621 is a wasteful number, since it uses less digits than its factorization.

126867202768621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323581.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 126867202768621 in words is "one hundred twenty-six trillion, eight hundred sixty-seven billion, two hundred two million, seven hundred sixty-eight thousand, six hundred twenty-one".