82129941 has 24 divisors (see below), whose sum is σ = 131077440. Its totient is φ = 49289856.

The previous prime is 82129921. The next prime is 82129963. The reversal of 82129941 is 14992128.

It is not a de Polignac number, because 82129941 - 2⁵ = 82129909 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82129896 and 82129905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82129921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8151 + ... + 15188.

It is an arithmetic number, because the mean of its divisors is an integer number (5461560).

Almost surely, 2^82129941 is an apocalyptic number.

It is an amenable number.

82129941 is a deficient number, since it is larger than the sum of its proper divisors (48947499).

82129941 is a wasteful number, since it uses less digits than its factorization.

82129941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23385 (or 23382 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 82129941 is about 9062.5570894754. The cubic root of 82129941 is about 434.6775096905.

The spelling of 82129941 in words is "eighty-two million, one hundred twenty-nine thousand, nine hundred forty-one".