122085680 has 20 divisors (see below), whose sum is σ = 283849392. Its totient is φ = 48834240.

The previous prime is 122085637. The next prime is 122085701. The reversal of 122085680 is 86580221.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×122085680² = 29809826522124800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762956 + ... + 763115.

Almost surely, 2^122085680 is an apocalyptic number.

122085680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122085680 is an abundant number, since it is smaller than the sum of its proper divisors (161763712).

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

122085680 is a wasteful number, since it uses less digits than its factorization.

122085680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526084 (or 1526078 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 122085680 is about 11049.2388878149. The cubic root of 122085680 is about 496.0836444090.

The spelling of 122085680 in words is "one hundred twenty-two million, eighty-five thousand, six hundred eighty".