122068890 has 64 divisors (see below), whose sum is σ = 333486720. Its totient is φ = 31754880.

The previous prime is 122068879. The next prime is 122068897. The reversal of 122068890 is 98860221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122068897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5557 + ... + 16583.

It is an arithmetic number, because the mean of its divisors is an integer number (5210730).

Almost surely, 2^122068890 is an apocalyptic number.

122068890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122068890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166743360).

122068890 is an abundant number, since it is smaller than the sum of its proper divisors (211417830).

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

122068890 is a wasteful number, since it uses less digits than its factorization.

122068890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084 (or 11078 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 122068890 is about 11048.4790808509. The cubic root of 122068890 is about 496.0609018394.

The spelling of 122068890 in words is "one hundred twenty-two million, sixty-eight thousand, eight hundred ninety".