4631121 has 32 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 2710800.

The previous prime is 4631111. The next prime is 4631131. The reversal of 4631121 is 1211364.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4631111) and next prime (4631131).

It is not a de Polignac number, because 4631121 - 2¹⁰ = 4630097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4631094 and 4631103.

It is not an unprimeable number, because it can be changed into a prime (4631111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8956 + ... + 9458.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^4631121 is an apocalyptic number.

It is an amenable number.

4631121 is a deficient number, since it is larger than the sum of its proper divisors (3110319).

4631121 is a wasteful number, since it uses less digits than its factorization.

4631121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

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

The square root of 4631121 is about 2152.0039498105. The cubic root of 4631121 is about 166.6845611898.

Adding to 4631121 its reverse (1211364), we get a palindrome (5842485).

The spelling of 4631121 in words is "four million, six hundred thirty-one thousand, one hundred twenty-one".