126644465070421 has 8 divisors (see below), whose sum is σ = 126746295646464. Its totient is φ = 126542674759200.

The previous prime is 126644465070407. The next prime is 126644465070427. The reversal of 126644465070421 is 124070564446621.

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 126644465070421 - 2⁷ = 126644465070293 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 (126644465070427) 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, 3771520 + ... + 16355833.

It is an arithmetic number, because the mean of its divisors is an integer number (15843286955808).

Almost surely, 2^{126644465070421} is an apocalyptic number.

It is an amenable number.

126644465070421 is a deficient number, since it is larger than the sum of its proper divisors (101830576043).

126644465070421 is a wasteful number, since it uses less digits than its factorization.

126644465070421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132411.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 126644465070421 in words is "one hundred twenty-six trillion, six hundred forty-four billion, four hundred sixty-five million, seventy thousand, four hundred twenty-one".