122105908 has 24 divisors (see below), whose sum is σ = 216724032. Its totient is φ = 60191424.

The previous prime is 122105899. The next prime is 122105923. The reversal of 122105908 is 809501221.

It is a super-3 number, since 3×122105908³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88641 + ... + 90007.

It is an arithmetic number, because the mean of its divisors is an integer number (9030168).

Almost surely, 2^122105908 is an apocalyptic number.

It is an amenable number.

122105908 is a deficient number, since it is larger than the sum of its proper divisors (94618124).

122105908 is a wasteful number, since it uses less digits than its factorization.

122105908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 122105908 is about 11050.1542070688. The cubic root of 122105908 is about 496.1110410860. Note that the first 3 decimals are identical.

It can be divided in two parts, 122 and 105908, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 122105908 in words is "one hundred twenty-two million, one hundred five thousand, nine hundred eight".