152210121 has 24 divisors (see below), whose sum is σ = 248510880. Its totient is φ = 82397952.

The previous prime is 152210101. The next prime is 152210137. The reversal of 152210121 is 121012251.

It is not a de Polignac number, because 152210121 - 2⁵ = 152210089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152210121.

It is not an unprimeable number, because it can be changed into a prime (152210101) 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 23 ways as a sum of consecutive naturals, for example, 24456 + ... + 30041.

It is an arithmetic number, because the mean of its divisors is an integer number (10354620).

Almost surely, 2^152210121 is an apocalyptic number.

It is an amenable number.

152210121 is a deficient number, since it is larger than the sum of its proper divisors (96300759).

152210121 is a wasteful number, since it uses less digits than its factorization.

152210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54533 (or 54526 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 152210121 is about 12337.3465947910. The cubic root of 152210121 is about 533.9261319642.

Adding to 152210121 its reverse (121012251), we get a palindrome (273222372).

The spelling of 152210121 in words is "one hundred fifty-two million, two hundred ten thousand, one hundred twenty-one".