32121113 has 2 divisors, whose sum is σ = 32121114. Its totient is φ = 32121112.

The previous prime is 32121107. The next prime is 32121121. The reversal of 32121113 is 31112123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 12866569 = 4388^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121113 - 2¹⁴ = 32104729 is a prime.

It is not a weakly prime, because it can be changed into another prime (32121413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060556 + 16060557.

It is an arithmetic number, because the mean of its divisors is an integer number (16060557).

Almost surely, 2^32121113 is an apocalyptic number.

It is an amenable number.

32121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121113 is an equidigital number, since it uses as much as digits as its factorization.

32121113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36, while the sum is 14.

The square root of 32121113 is about 5667.5491175640. The cubic root of 32121113 is about 317.8802371952.

Adding to 32121113 its reverse (31112123), we get a palindrome (63233236).

The spelling of 32121113 in words is "thirty-two million, one hundred twenty-one thousand, one hundred thirteen".