3630121 has 12 divisors (see below), whose sum is σ = 4202800. Its totient is φ = 3124440.

The previous prime is 3630101. The next prime is 3630149. The reversal of 3630121 is 1210363.

3630121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3630121 - 2⁹ = 3629609 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3630095 and 3630104.

It is not an unprimeable number, because it can be changed into a prime (3630101) 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 in 11 ways as a sum of consecutive naturals, for example, 1510 + ... + 3088.

Almost surely, 2^3630121 is an apocalyptic number.

It is an amenable number.

3630121 is a deficient number, since it is larger than the sum of its proper divisors (572679).

3630121 is a wasteful number, since it uses less digits than its factorization.

3630121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3630121 is about 1905.2876423260. The cubic root of 3630121 is about 153.6881444176.

Adding to 3630121 its reverse (1210363), we get a palindrome (4840484).

The spelling of 3630121 in words is "three million, six hundred thirty thousand, one hundred twenty-one".