122443136 has 16 divisors (see below), whose sum is σ = 243929940. Its totient is φ = 61221504.

The previous prime is 122443117. The next prime is 122443147. The reversal of 122443136 is 631344221.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478166 + ... + 478421.

Almost surely, 2^122443136 is an apocalyptic number.

122443136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122443136 is a deficient number, since it is larger than the sum of its proper divisors (121486804).

122443136 is an frugal number, since it uses more digits than its factorization.

122443136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956601 (or 956589 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 122443136 is about 11065.4026587377. The cubic root of 122443136 is about 496.5673355600.

Adding to 122443136 its reverse (631344221), we get a palindrome (753787357).

The spelling of 122443136 in words is "one hundred twenty-two million, four hundred forty-three thousand, one hundred thirty-six".