15053121 has 16 divisors (see below), whose sum is σ = 22579520. Its totient is φ = 10033956.

The previous prime is 15053119. The next prime is 15053147. The reversal of 15053121 is 12135051.

It is not a de Polignac number, because 15053121 - 2¹ = 15053119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15053094 and 15053103.

It is not an unprimeable number, because it can be changed into a prime (15053021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (1411220).

Almost surely, 2^15053121 is an apocalyptic number.

It is an amenable number.

15053121 is a deficient number, since it is larger than the sum of its proper divisors (7526399).

15053121 is an frugal number, since it uses more digits than its factorization.

15053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 15053121 is about 3879.8351769115. The cubic root of 15053121 is about 246.9119925552.

Adding to 15053121 its reverse (12135051), we get a palindrome (27188172).

The spelling of 15053121 in words is "fifteen million, fifty-three thousand, one hundred twenty-one".