122136897 has 8 divisors (see below), whose sum is σ = 162971200. Its totient is φ = 81363600.

The previous prime is 122136881. The next prime is 122136947. The reversal of 122136897 is 798631221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122136897 - 2⁴ = 122136881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122136697) 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 7 ways as a sum of consecutive naturals, for example, 10354 + ... + 18747.

It is an arithmetic number, because the mean of its divisors is an integer number (20371400).

Almost surely, 2^122136897 is an apocalyptic number.

It is an amenable number.

122136897 is a deficient number, since it is larger than the sum of its proper divisors (40834303).

122136897 is a wasteful number, since it uses less digits than its factorization.

122136897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30503.

The product of its digits is 36288, while the sum is 39.

The square root of 122136897 is about 11051.5563157412. The cubic root of 122136897 is about 496.1530065265.

It can be divided in two parts, 12213 and 6897, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 122136897 in words is "one hundred twenty-two million, one hundred thirty-six thousand, eight hundred ninety-seven".