122243144 has 8 divisors (see below), whose sum is σ = 229205910. Its totient is φ = 61121568.

The previous prime is 122243129. The next prime is 122243159. The reversal of 122243144 is 441342221.

It is an interprime number because it is at equal distance from previous prime (122243129) and next prime (122243159).

It can be written as a sum of positive squares in only one way, i.e., 95844100 + 26399044 = 9790^2 + 5138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7640189 + ... + 7640204.

Almost surely, 2^122243144 is an apocalyptic number.

It is an amenable number.

122243144 is a deficient number, since it is larger than the sum of its proper divisors (106962766).

122243144 is a wasteful number, since it uses less digits than its factorization.

122243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280399 (or 15280395 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 122243144 is about 11056.3621503639. The cubic root of 122243144 is about 496.2968328165.

Adding to 122243144 its reverse (441342221), we get a palindrome (563585365).

The spelling of 122243144 in words is "one hundred twenty-two million, two hundred forty-three thousand, one hundred forty-four".