3018121 has 2 divisors, whose sum is σ = 3018122. Its totient is φ = 3018120.

The previous prime is 3018091. The next prime is 3018137. The reversal of 3018121 is 1218103.

3018121 is nontrivially palindromic in base 6.

It is an a-pointer prime, because the next prime (3018137) can be obtained adding 3018121 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 883600 = 1461^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 3018121 - 2¹⁹ = 2493833 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 = 3018095 and 3018104.

It is not a weakly prime, because it can be changed into another prime (3018161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1509060 + 1509061.

It is an arithmetic number, because the mean of its divisors is an integer number (1509061).

Almost surely, 2^3018121 is an apocalyptic number.

It is an amenable number.

3018121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3018121 is an equidigital number, since it uses as much as digits as its factorization.

3018121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3018121 is about 1737.2740140807. The cubic root of 3018121 is about 144.5147632414.

The spelling of 3018121 in words is "three million, eighteen thousand, one hundred twenty-one".