8129061 has 12 divisors (see below), whose sum is σ = 11903788. Its totient is φ = 5344704.

The previous prime is 8129057. The next prime is 8129081. The reversal of 8129061 is 1609218.

It can be written as a sum of positive squares in 2 ways, for example, as 4384836 + 3744225 = 2094^2 + 1935^2 .

It is not a de Polignac number, because 8129061 - 2² = 8129057 is a prime.

It is a Duffinian number.

8129061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8129081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5530 + ... + 6843.

Almost surely, 2^8129061 is an apocalyptic number.

It is an amenable number.

8129061 is a deficient number, since it is larger than the sum of its proper divisors (3774727).

8129061 is a wasteful number, since it uses less digits than its factorization.

8129061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452 (or 12449 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 8129061 is about 2851.1508202829. The cubic root of 8129061 is about 201.0697760273.

The spelling of 8129061 in words is "eight million, one hundred twenty-nine thousand, sixty-one".