153216122 has 4 divisors (see below), whose sum is σ = 229824186. Its totient is φ = 76608060.

The previous prime is 153216073. The next prime is 153216137. The reversal of 153216122 is 221612351.

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

It can be written as a sum of positive squares in only one way, i.e., 114041041 + 39175081 = 10679^2 + 6259^2 .

It is an unprimeable number.

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, 38304029 + ... + 38304032.

Almost surely, 2^153216122 is an apocalyptic number.

153216122 is a deficient number, since it is larger than the sum of its proper divisors (76608064).

153216122 is an equidigital number, since it uses as much as digits as its factorization.

153216122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76608063.

The product of its digits is 720, while the sum is 23.

The square root of 153216122 is about 12378.0500079778. The cubic root of 153216122 is about 535.0998410341.

Adding to 153216122 its reverse (221612351), we get a palindrome (374828473).

The spelling of 153216122 in words is "one hundred fifty-three million, two hundred sixteen thousand, one hundred twenty-two".