32620121 has 2 divisors, whose sum is σ = 32620122. Its totient is φ = 32620120.

The previous prime is 32620109. The next prime is 32620139. The reversal of 32620121 is 12102623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 855625 = 5636^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 32620121 - 2⁶ = 32620057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32620121.

It is not a weakly prime, because it can be changed into another prime (32620171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16310060 + 16310061.

It is an arithmetic number, because the mean of its divisors is an integer number (16310061).

Almost surely, 2^32620121 is an apocalyptic number.

It is an amenable number.

32620121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32620121 is an equidigital number, since it uses as much as digits as its factorization.

32620121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 32620121 is about 5711.4027173716. The cubic root of 32620121 is about 319.5178970891.

Adding to 32620121 its reverse (12102623), we get a palindrome (44722744).

The spelling of 32620121 in words is "thirty-two million, six hundred twenty thousand, one hundred twenty-one".