15348121 has 2 divisors, whose sum is σ = 15348122. Its totient is φ = 15348120.

The previous prime is 15348103. The next prime is 15348173. The reversal of 15348121 is 12184351.

15348121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13286025 + 2062096 = 3645^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 15348121 - 2⁷ = 15347993 is a prime.

It is not a weakly prime, because it can be changed into another prime (15348191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674060 + 7674061.

It is an arithmetic number, because the mean of its divisors is an integer number (7674061).

Almost surely, 2^15348121 is an apocalyptic number.

It is an amenable number.

15348121 is a deficient number, since it is larger than the sum of its proper divisors (1).

15348121 is an equidigital number, since it uses as much as digits as its factorization.

15348121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

The square root of 15348121 is about 3917.6678011286. The cubic root of 15348121 is about 248.5145026737.

The spelling of 15348121 in words is "fifteen million, three hundred forty-eight thousand, one hundred twenty-one".