126843487 has 8 divisors (see below), whose sum is σ = 133896560. Its totient is φ = 120161016.

The previous prime is 126843481. The next prime is 126843491. The reversal of 126843487 is 784348621.

It is not a de Polignac number, because 126843487 - 2⁷ = 126843359 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 (126843481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 16105.

It is an arithmetic number, because the mean of its divisors is an integer number (16737070).

Almost surely, 2^126843487 is an apocalyptic number.

126843487 is a deficient number, since it is larger than the sum of its proper divisors (7053073).

126843487 is an frugal number, since it uses more digits than its factorization.

126843487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550 (or 18512 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 126843487 is about 11262.4813873320. The cubic root of 126843487 is about 502.4459973484.

The spelling of 126843487 in words is "one hundred twenty-six million, eight hundred forty-three thousand, four hundred eighty-seven".