126012564205403 has 8 divisors (see below), whose sum is σ = 135467034309120. Its totient is φ = 116840317089960.

The previous prime is 126012564205391. The next prime is 126012564205421. The reversal of 126012564205403 is 304502465210621.

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 126012564205403 - 2²⁶ = 126012497096539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126012564205103) 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, 70555746143 + ... + 70555747928.

It is an arithmetic number, because the mean of its divisors is an integer number (16933379288640).

Almost surely, 2^{126012564205403} is an apocalyptic number.

126012564205403 is a deficient number, since it is larger than the sum of its proper divisors (9454470103717).

126012564205403 is a wasteful number, since it uses less digits than its factorization.

126012564205403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141111494137.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 126012564205403 in words is "one hundred twenty-six trillion, twelve billion, five hundred sixty-four million, two hundred five thousand, four hundred three".