126884845 has 4 divisors (see below), whose sum is σ = 152261820. Its totient is φ = 101507872.

The previous prime is 126884843. The next prime is 126884903. The reversal of 126884845 is 548488621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548488621 = 167 ⋅3284363.

It can be written as a sum of positive squares in 2 ways, for example, as 57562569 + 69322276 = 7587^2 + 8326^2 .

It is a cyclic number.

It is not a de Polignac number, because 126884845 - 2¹ = 126884843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126884795 and 126884804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126884843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12688480 + ... + 12688489.

It is an arithmetic number, because the mean of its divisors is an integer number (38065455).

Almost surely, 2^126884845 is an apocalyptic number.

It is an amenable number.

126884845 is a deficient number, since it is larger than the sum of its proper divisors (25376975).

126884845 is an equidigital number, since it uses as much as digits as its factorization.

126884845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376974.

The product of its digits is 491520, while the sum is 46.

The square root of 126884845 is about 11264.3173339533. The cubic root of 126884845 is about 502.5005998194.

The spelling of 126884845 in words is "one hundred twenty-six million, eight hundred eighty-four thousand, eight hundred forty-five".