152120173 has 2 divisors, whose sum is σ = 152120174. Its totient is φ = 152120172.

The previous prime is 152120161. The next prime is 152120179. The reversal of 152120173 is 371021251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80514729 + 71605444 = 8973^2 + 8462^2 .

It is an emirp because it is prime and its reverse (371021251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152120173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152120179) 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 as a sum of consecutive naturals, namely, 76060086 + 76060087.

It is an arithmetic number, because the mean of its divisors is an integer number (76060087).

Almost surely, 2^152120173 is an apocalyptic number.

It is an amenable number.

152120173 is a deficient number, since it is larger than the sum of its proper divisors (1).

152120173 is an equidigital number, since it uses as much as digits as its factorization.

152120173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 152120173 is about 12333.7007017359. The cubic root of 152120173 is about 533.8209373584.

The spelling of 152120173 in words is "one hundred fifty-two million, one hundred twenty thousand, one hundred seventy-three".