126087571 has 8 divisors (see below), whose sum is σ = 131940224. Its totient is φ = 120346560.

The previous prime is 126087529. The next prime is 126087581. The reversal of 126087571 is 175780621.

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 126087571 - 2¹¹ = 126085523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126087571.

It is not an unprimeable number, because it can be changed into a prime (126087581) 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, 25596 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (16492528).

Almost surely, 2^126087571 is an apocalyptic number.

126087571 is a deficient number, since it is larger than the sum of its proper divisors (5852653).

126087571 is an equidigital number, since it uses as much as digits as its factorization.

126087571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55821.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 126087571 is about 11228.8722051682. The cubic root of 126087571 is about 501.4459093286.

It can be divided in two parts, 1260 and 87571, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 126087571 in words is "one hundred twenty-six million, eighty-seven thousand, five hundred seventy-one".