4672121 has 2 divisors, whose sum is σ = 4672122. Its totient is φ = 4672120.

The previous prime is 4672117. The next prime is 4672141. The reversal of 4672121 is 1212764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 1392400 = 1811^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4672121 - 2² = 4672117 is a prime.

It is a Chen prime.

It is equal to p₃₂₇₁₂₈ and since 4672121 and 327128 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4672141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336060 + 2336061.

It is an arithmetic number, because the mean of its divisors is an integer number (2336061).

Almost surely, 2^4672121 is an apocalyptic number.

It is an amenable number.

4672121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4672121 is an equidigital number, since it uses as much as digits as its factorization.

4672121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 4672121 is about 2161.5089636640. The cubic root of 4672121 is about 167.1750110507.

Adding to 4672121 its reverse (1212764), we get a palindrome (5884885).

The spelling of 4672121 in words is "four million, six hundred seventy-two thousand, one hundred twenty-one".