4121630 has 16 divisors (see below), whose sum is σ = 7442064. Its totient is φ = 1643520.

The previous prime is 4121629. The next prime is 4121641. The reversal of 4121630 is 361214.

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

It is a junction number, because it is equal to n+sod(n) for n = 4121599 and 4121608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6089 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (465129).

Almost surely, 2^4121630 is an apocalyptic number.

4121630 is a deficient number, since it is larger than the sum of its proper divisors (3320434).

4121630 is a wasteful number, since it uses less digits than its factorization.

4121630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

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

The square root of 4121630 is about 2030.1797949935. The cubic root of 4121630 is about 160.3330302950. Note that the first 3 decimals are identical.

Adding to 4121630 its reverse (361214), we get a palindrome (4482844).

The spelling of 4121630 in words is "four million, one hundred twenty-one thousand, six hundred thirty".