122987106 has 64 divisors (see below), whose sum is σ = 307814400. Its totient is φ = 36061200.

The previous prime is 122987099. The next prime is 122987201. The reversal of 122987106 is 601789221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15075 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (4809600).

Almost surely, 2^122987106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122987106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153907200).

122987106 is an abundant number, since it is smaller than the sum of its proper divisors (184827294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122987106 is a wasteful number, since it uses less digits than its factorization.

122987106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732 (or 6726 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 122987106 is about 11089.9551847607. The cubic root of 122987106 is about 497.3016048579.

The spelling of 122987106 in words is "one hundred twenty-two million, nine hundred eighty-seven thousand, one hundred six".