8121460 has 12 divisors (see below), whose sum is σ = 17055108. Its totient is φ = 3248576.

The previous prime is 8121439. The next prime is 8121499. The reversal of 8121460 is 641218.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 4691556 = 1852^2 + 2166^2 .

It is a super-2 number, since 2×8121460² = 131916225063200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203017 + ... + 203056.

It is an arithmetic number, because the mean of its divisors is an integer number (1421259).

Almost surely, 2^8121460 is an apocalyptic number.

It is an amenable number.

8121460 is an abundant number, since it is smaller than the sum of its proper divisors (8933648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8121460 is a wasteful number, since it uses less digits than its factorization.

8121460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406082 (or 406080 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8121460 is about 2849.8175380189. The cubic root of 8121460 is about 201.0070870334.

Adding to 8121460 its reverse (641218), we get a palindrome (8762678).

The spelling of 8121460 in words is "eight million, one hundred twenty-one thousand, four hundred sixty".