122143316 has 6 divisors (see below), whose sum is σ = 213750810. Its totient is φ = 61071656.

The previous prime is 122143313. The next prime is 122143339. The reversal of 122143316 is 613341221.

It can be written as a sum of positive squares in only one way, i.e., 84566416 + 37576900 = 9196^2 + 6130^2 .

It is a super-3 number, since 3×122143316³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122143291 and 122143300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122143313) 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, 15267911 + ... + 15267918.

It is an arithmetic number, because the mean of its divisors is an integer number (35625135).

Almost surely, 2^122143316 is an apocalyptic number.

It is an amenable number.

122143316 is a deficient number, since it is larger than the sum of its proper divisors (91607494).

122143316 is a wasteful number, since it uses less digits than its factorization.

122143316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30535833 (or 30535831 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 122143316 is about 11051.8467235119. The cubic root of 122143316 is about 496.1616982771.

Adding to 122143316 its reverse (613341221), we get a palindrome (735484537).

The spelling of 122143316 in words is "one hundred twenty-two million, one hundred forty-three thousand, three hundred sixteen".