152125121 has 2 divisors, whose sum is σ = 152125122. Its totient is φ = 152125120.

The previous prime is 152125117. The next prime is 152125123. The reversal of 152125121 is 121521251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 56085121 = 9800^2 + 7489^2 .

It is an emirp because it is prime and its reverse (121521251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152125121 - 2² = 152125117 is a prime.

Together with 152125123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 152125093 and 152125102.

It is not a weakly prime, because it can be changed into another prime (152125123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76062560 + 76062561.

It is an arithmetic number, because the mean of its divisors is an integer number (76062561).

Almost surely, 2^152125121 is an apocalyptic number.

It is an amenable number.

152125121 is a deficient number, since it is larger than the sum of its proper divisors (1).

152125121 is an equidigital number, since it uses as much as digits as its factorization.

152125121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200, while the sum is 20.

The square root of 152125121 is about 12333.9012887245. The cubic root of 152125121 is about 533.8267251452.

Adding to 152125121 its reverse (121521251), we get a palindrome (273646372).

The spelling of 152125121 in words is "one hundred fifty-two million, one hundred twenty-five thousand, one hundred twenty-one".