122087886 has 32 divisors (see below), whose sum is σ = 249570720. Its totient is φ = 39806976.

The previous prime is 122087881. The next prime is 122087899. The reversal of 122087886 is 688780221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122087881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50620 + ... + 52976.

It is an arithmetic number, because the mean of its divisors is an integer number (7799085).

Almost surely, 2^122087886 is an apocalyptic number.

122087886 is an abundant number, since it is smaller than the sum of its proper divisors (127482834).

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

122087886 is a wasteful number, since it uses less digits than its factorization.

122087886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 122087886 is about 11049.3387132443. The cubic root of 122087886 is about 496.0866323487.

The spelling of 122087886 in words is "one hundred twenty-two million, eighty-seven thousand, eight hundred eighty-six".