122152365 has 24 divisors (see below), whose sum is σ = 212186520. Its totient is φ = 65007744.

The previous prime is 122152343. The next prime is 122152367. The reversal of 122152365 is 563251221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69705801 + 52446564 = 8349^2 + 7242^2 .

It is not a de Polignac number, because 122152365 - 2⁶ = 122152301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20239 + ... + 25571.

It is an arithmetic number, because the mean of its divisors is an integer number (8841105).

Almost surely, 2^122152365 is an apocalyptic number.

122152365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122152365 is a deficient number, since it is larger than the sum of its proper divisors (90034155).

122152365 is a wasteful number, since it uses less digits than its factorization.

122152365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853 (or 5850 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 122152365 is about 11052.2561045245. The cubic root of 122152365 is about 496.1739507045.

The spelling of 122152365 in words is "one hundred twenty-two million, one hundred fifty-two thousand, three hundred sixty-five".