122100342 has 64 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 31901184.

The previous prime is 122100317. The next prime is 122100343. The reversal of 122100342 is 243001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100343) 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, 60709 + ... + 62687.

It is an arithmetic number, because the mean of its divisors is an integer number (4740120).

Almost surely, 2^122100342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122100342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151683840).

122100342 is an abundant number, since it is smaller than the sum of its proper divisors (181267338).

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

122100342 is a wasteful number, since it uses less digits than its factorization.

122100342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122100342 is about 11049.9023525097. The cubic root of 122100342 is about 496.1035028321.

Adding to 122100342 its reverse (243001221), we get a palindrome (365101563).

The spelling of 122100342 in words is "one hundred twenty-two million, one hundred thousand, three hundred forty-two".