126884945 has 16 divisors (see below), whose sum is σ = 174847680. Its totient is φ = 87422400.

The previous prime is 126884939. The next prime is 126884963. The reversal of 126884945 is 549488621.

It is not a de Polignac number, because 126884945 - 2¹⁰ = 126883921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126884945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59666 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (10927980).

Almost surely, 2^126884945 is an apocalyptic number.

It is an amenable number.

126884945 is a deficient number, since it is larger than the sum of its proper divisors (47962735).

126884945 is a wasteful number, since it uses less digits than its factorization.

126884945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121456.

The product of its digits is 552960, while the sum is 47.

The square root of 126884945 is about 11264.3217727478. The cubic root of 126884945 is about 502.5007318290.

The spelling of 126884945 in words is "one hundred twenty-six million, eight hundred eighty-four thousand, nine hundred forty-five".