122321355 has 48 divisors (see below), whose sum is σ = 215155296. Its totient is φ = 59304960.

The previous prime is 122321351. The next prime is 122321363. The reversal of 122321355 is 553123221.

It is a happy number.

It is not a de Polignac number, because 122321355 - 2² = 122321351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122321351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184725 + ... + 185385.

It is an arithmetic number, because the mean of its divisors is an integer number (4482402).

Almost surely, 2^122321355 is an apocalyptic number.

122321355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122321355 is a deficient number, since it is larger than the sum of its proper divisors (92833941).

122321355 is a wasteful number, since it uses less digits than its factorization.

122321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 755 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 122321355 is about 11059.8985076718. The cubic root of 122321355 is about 496.4026536017.

Adding to 122321355 its reverse (553123221), we get a palindrome (675444576).

It can be divided in two parts, 1223 and 21355, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 122321355 in words is "one hundred twenty-two million, three hundred twenty-one thousand, three hundred fifty-five".