152111121 has 32 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 90334464.

The previous prime is 152111101. The next prime is 152111123. The reversal of 152111121 is 121111251.

It is not a de Polignac number, because 152111121 - 2¹⁴ = 152094737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152111121.

It is not an unprimeable number, because it can be changed into a prime (152111123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120190 + ... + 121448.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^152111121 is an apocalyptic number.

It is an amenable number.

152111121 is a deficient number, since it is larger than the sum of its proper divisors (74325999).

152111121 is a wasteful number, since it uses less digits than its factorization.

152111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 20, while the sum is 15.

The square root of 152111121 is about 12333.3337342342. Note that the first 3 decimals coincide. The cubic root of 152111121 is about 533.8103487059.

Adding to 152111121 its reverse (121111251), we get a palindrome (273222372).

The spelling of 152111121 in words is "one hundred fifty-two million, one hundred eleven thousand, one hundred twenty-one".