126106045520 has 80 divisors (see below), whose sum is σ = 360857320320. Its totient is φ = 39910482432.

The previous prime is 126106045493. The next prime is 126106045553. The reversal of 126106045520 is 25540601621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8653850 + ... + 8668409.

It is an arithmetic number, because the mean of its divisors is an integer number (4510716504).

Almost surely, 2^126106045520 is an apocalyptic number.

126106045520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126106045520 is an abundant number, since it is smaller than the sum of its proper divisors (234751274800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126106045520 is a wasteful number, since it uses less digits than its factorization.

126106045520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322292 (or 17322286 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 126106045520 in words is "one hundred twenty-six billion, one hundred six million, forty-five thousand, five hundred twenty".