122117481 has 12 divisors (see below), whose sum is σ = 177476208. Its totient is φ = 80911224.

The previous prime is 122117473. The next prime is 122117491. The reversal of 122117481 is 184711221.

It is not a de Polignac number, because 122117481 - 2³ = 122117473 is a prime.

It is a super-2 number, since 2×122117481² = 29825358331570722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122117461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40155 + ... + 43088.

It is an arithmetic number, because the mean of its divisors is an integer number (14789684).

Almost surely, 2^122117481 is an apocalyptic number.

It is an amenable number.

122117481 is a deficient number, since it is larger than the sum of its proper divisors (55358727).

122117481 is a wasteful number, since it uses less digits than its factorization.

122117481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83412 (or 83409 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 122117481 is about 11050.6778525120. The cubic root of 122117481 is about 496.1267141242.

The spelling of 122117481 in words is "one hundred twenty-two million, one hundred seventeen thousand, four hundred eighty-one".