122409136 has 20 divisors (see below), whose sum is σ = 237352864. Its totient is φ = 61156800.

The previous prime is 122409121. The next prime is 122409137. The reversal of 122409136 is 631904221.

It is not an unprimeable number, because it can be changed into a prime (122409137) 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 in 3 ways as a sum of consecutive naturals, for example, 27721 + ... + 31831.

Almost surely, 2^122409136 is an apocalyptic number.

122409136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122409136 is a deficient number, since it is larger than the sum of its proper divisors (114943728).

122409136 is a wasteful number, since it uses less digits than its factorization.

122409136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5974 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 122409136 is about 11063.8662320185. The cubic root of 122409136 is about 496.5213690460.

The spelling of 122409136 in words is "one hundred twenty-two million, four hundred nine thousand, one hundred thirty-six".