122135260 has 48 divisors (see below), whose sum is σ = 279008352. Its totient is φ = 44640000.

The previous prime is 122135243. The next prime is 122135291. The reversal of 122135260 is 62531221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23935 + ... + 28585.

It is an arithmetic number, because the mean of its divisors is an integer number (5812674).

Almost surely, 2^122135260 is an apocalyptic number.

122135260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122135260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139504176).

122135260 is an abundant number, since it is smaller than the sum of its proper divisors (156873092).

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

122135260 is a wasteful number, since it uses less digits than its factorization.

122135260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 122135260 is about 11051.4822535260. The cubic root of 122135260 is about 496.1507898715.

Adding to 122135260 its reverse (62531221), we get a palindrome (184666481).

It can be divided in two parts, 1221 and 35260, that added together give a square (36481 = 191²).

The spelling of 122135260 in words is "one hundred twenty-two million, one hundred thirty-five thousand, two hundred sixty".