52151121 has 60 divisors (see below), whose sum is σ = 90957636. Its totient is φ = 29652480.

The previous prime is 52151107. The next prime is 52151123. The reversal of 52151121 is 12115125.

52151121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15681600 + 36469521 = 3960^2 + 6039^2 .

It is not a de Polignac number, because 52151121 - 2⁵ = 52151089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52151094 and 52151103.

It is not an unprimeable number, because it can be changed into a prime (52151123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 166461 + ... + 166773.

Almost surely, 2^52151121 is an apocalyptic number.

52151121 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

52151121 is a deficient number, since it is larger than the sum of its proper divisors (38806515).

52151121 is a wasteful number, since it uses less digits than its factorization.

52151121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 344 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 52151121 is about 7221.5733050354. The cubic root of 52151121 is about 373.6123434250.

Adding to 52151121 its reverse (12115125), we get a palindrome (64266246).

It can be divided in two parts, 5215 and 1121, that added together give a palindrome (6336).

The spelling of 52151121 in words is "fifty-two million, one hundred fifty-one thousand, one hundred twenty-one".