152604121 has 4 divisors (see below), whose sum is σ = 161580852. Its totient is φ = 143627392.

The previous prime is 152604107. The next prime is 152604167. The reversal of 152604121 is 121406251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139499721 + 13104400 = 11811^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 152604121 - 2⁷ = 152603993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152604092 and 152604101.

It is not an unprimeable number, because it can be changed into a prime (152604191) 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 3 ways as a sum of consecutive naturals, for example, 4488340 + ... + 4488373.

It is an arithmetic number, because the mean of its divisors is an integer number (40395213).

Almost surely, 2^152604121 is an apocalyptic number.

It is an amenable number.

152604121 is a deficient number, since it is larger than the sum of its proper divisors (8976731).

152604121 is an equidigital number, since it uses as much as digits as its factorization.

152604121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976730.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 152604121 is about 12353.3040519531. The cubic root of 152604121 is about 534.3864290888.

The spelling of 152604121 in words is "one hundred fifty-two million, six hundred four thousand, one hundred twenty-one".