4132121320 has 32 divisors (see below), whose sum is σ = 9844173000. Its totient is φ = 1555621888.

The previous prime is 4132121317. The next prime is 4132121339. The reversal of 4132121320 is 231212314.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3961191844 + 170929476 = 62938^2 + 13074^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037645 + ... + 3039004.

Almost surely, 2^4132121320 is an apocalyptic number.

4132121320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4132121320 is an abundant number, since it is smaller than the sum of its proper divisors (5712051680).

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

4132121320 is a wasteful number, since it uses less digits than its factorization.

4132121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076677 (or 6076673 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4132121320 is about 64281.5783875910. The cubic root of 4132121320 is about 1604.6895385888.

Adding to 4132121320 its reverse (231212314), we get a palindrome (4363333634).

The spelling of 4132121320 in words is "four billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty".