3015121 has 2 divisors, whose sum is σ = 3015122. Its totient is φ = 3015120.

The previous prime is 3015113. The next prime is 3015127. The reversal of 3015121 is 1215103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 192721 = 1680^2 + 439^2 .

It is an emirp because it is prime and its reverse (1215103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3015121 - 2³ = 3015113 is a prime.

It is a Chen prime.

3015121 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3015127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1507560 + 1507561.

It is an arithmetic number, because the mean of its divisors is an integer number (1507561).

Almost surely, 2^3015121 is an apocalyptic number.

It is an amenable number.

3015121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3015121 is an equidigital number, since it uses as much as digits as its factorization.

3015121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 3015121 is about 1736.4103777621. The cubic root of 3015121 is about 144.4668650054.

It can be divided in two parts, 3015 and 121, that added together give a square (3136 = 56²).

The spelling of 3015121 in words is "three million, fifteen thousand, one hundred twenty-one".