122158080 has 264 divisors, whose sum is σ = 463670064. Its totient is φ = 29491200.

The previous prime is 122158079. The next prime is 122158081. The reversal of 122158080 is 80851221.

122158080 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 580 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (122158079) and next prime (122158081).

It is a tau number, because it is divible by the number of its divisors (264).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122158081) 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 23 ways as a sum of consecutive naturals, for example, 506760 + ... + 507000.

It is an arithmetic number, because the mean of its divisors is an integer number (1756326).

Almost surely, 2^122158080 is an apocalyptic number.

122158080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122158080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231835032).

122158080 is an abundant number, since it is smaller than the sum of its proper divisors (341511984).

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

122158080 is a wasteful number, since it uses less digits than its factorization.

122158080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 122158080 is about 11052.5146459980. The cubic root of 122158080 is about 496.1816885542.

The spelling of 122158080 in words is "one hundred twenty-two million, one hundred fifty-eight thousand, eighty".