126528671 has 4 divisors (see below), whose sum is σ = 133971552. Its totient is φ = 119085792.

The previous prime is 126528613. The next prime is 126528697. The reversal of 126528671 is 176825621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126528671 - 2²² = 122334367 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 (126528971) 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, 3721415 + ... + 3721448.

It is an arithmetic number, because the mean of its divisors is an integer number (33492888).

Almost surely, 2^126528671 is an apocalyptic number.

126528671 is a deficient number, since it is larger than the sum of its proper divisors (7442881).

126528671 is an equidigital number, since it uses as much as digits as its factorization.

126528671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442880.

The product of its digits is 40320, while the sum is 38.

The square root of 126528671 is about 11248.4963884068. The cubic root of 126528671 is about 502.0299752475.

The spelling of 126528671 in words is "one hundred twenty-six million, five hundred twenty-eight thousand, six hundred seventy-one".