122998960 has 80 divisors (see below), whose sum is σ = 328550400. Its totient is φ = 41948928.

The previous prime is 122998957. The next prime is 122998973. The reversal of 122998960 is 69899221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×122998960² = 30257488322163200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122998960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133381 + ... + 134299.

It is an arithmetic number, because the mean of its divisors is an integer number (4106880).

Almost surely, 2^122998960 is an apocalyptic number.

122998960 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 122998960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164275200).

122998960 is an abundant number, since it is smaller than the sum of its proper divisors (205551440).

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

122998960 is a wasteful number, since it uses less digits than its factorization.

122998960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 122998960 is about 11090.4896194893. The cubic root of 122998960 is about 497.3175816651.

The spelling of 122998960 in words is "one hundred twenty-two million, nine hundred ninety-eight thousand, nine hundred sixty".