802121132 has 12 divisors (see below), whose sum is σ = 1486283400. Its totient is φ = 377468736.

The previous prime is 802121101. The next prime is 802121141. The reversal of 802121132 is 231121208.

It is a super-2 number, since 2×802121132² = 1286796620801922848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5897882 + ... + 5898017.

It is an arithmetic number, because the mean of its divisors is an integer number (123856950).

Almost surely, 2^802121132 is an apocalyptic number.

It is an amenable number.

802121132 is a deficient number, since it is larger than the sum of its proper divisors (684162268).

802121132 is a wasteful number, since it uses less digits than its factorization.

802121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11795920 (or 11795918 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 802121132 is about 28321.7430960737. The cubic root of 802121132 is about 929.1374945531.

It can be divided in two parts, 80 and 2121132, that added together give a palindrome (2121212).

The spelling of 802121132 in words is "eight hundred two million, one hundred twenty-one thousand, one hundred thirty-two".