82126906 has 8 divisors (see below), whose sum is σ = 123902964. Its totient is φ = 40825920.

The previous prime is 82126901. The next prime is 82126909. The reversal of 82126906 is 60962128.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80263681 + 1863225 = 8959^2 + 1365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (82126901) 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, 118335 + ... + 119026.

Almost surely, 2^82126906 is an apocalyptic number.

82126906 is a deficient number, since it is larger than the sum of its proper divisors (41776058).

82126906 is a wasteful number, since it uses less digits than its factorization.

82126906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237536.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 82126906 is about 9062.3896407074. The cubic root of 82126906 is about 434.6721553196.

The spelling of 82126906 in words is "eighty-two million, one hundred twenty-six thousand, nine hundred six".