122020710 has 64 divisors (see below), whose sum is σ = 336213504. Its totient is φ = 27763200.

The previous prime is 122020697. The next prime is 122020739. The reversal of 122020710 is 17020221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 122020710.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49405 + ... + 51815.

It is an arithmetic number, because the mean of its divisors is an integer number (5253336).

Almost surely, 2^122020710 is an apocalyptic number.

122020710 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 122020710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168106752).

122020710 is an abundant number, since it is smaller than the sum of its proper divisors (214192794).

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

122020710 is a wasteful number, since it uses less digits than its factorization.

122020710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 122020710 is about 11046.2984750549. The cubic root of 122020710 is about 495.9956289721.

Adding to 122020710 its reverse (17020221), we get a palindrome (139040931).

The spelling of 122020710 in words is "one hundred twenty-two million, twenty thousand, seven hundred ten".