32612121 has 6 divisors (see below), whose sum is σ = 47106410. Its totient is φ = 21741408.

The previous prime is 32612087. The next prime is 32612123. The reversal of 32612121 is 12121623.

32612121 is a `hidden beast` number, since 32 + 612 + 1 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 11128896 = 4635^2 + 3336^2 .

It is not a de Polignac number, because 32612121 - 2⁹ = 32611609 is a prime.

It is a super-2 number, since 2×32612121² = 2127100872237282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32612094 and 32612103.

It is not an unprimeable number, because it can be changed into a prime (32612123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1811776 + ... + 1811793.

Almost surely, 2^32612121 is an apocalyptic number.

It is an amenable number.

32612121 is a deficient number, since it is larger than the sum of its proper divisors (14494289).

32612121 is a wasteful number, since it uses less digits than its factorization.

32612121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623575 (or 3623572 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 32612121 is about 5710.7023210810. The cubic root of 32612121 is about 319.4917746419.

Adding to 32612121 its reverse (12121623), we get a palindrome (44733744).

The spelling of 32612121 in words is "thirty-two million, six hundred twelve thousand, one hundred twenty-one".