122517330 has 64 divisors (see below), whose sum is σ = 317979648. Its totient is φ = 30032640.

The previous prime is 122517313. The next prime is 122517337. The reversal of 122517330 is 33715221.

It is a self number, because there is not a number n which added to its sum of digits gives 122517330.

It is not an unprimeable number, because it can be changed into a prime (122517337) 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, 123135 + ... + 124125.

It is an arithmetic number, because the mean of its divisors is an integer number (4968432).

Almost surely, 2^122517330 is an apocalyptic number.

122517330 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 122517330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158989824).

122517330 is an abundant number, since it is smaller than the sum of its proper divisors (195462318).

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

122517330 is a wasteful number, since it uses less digits than its factorization.

122517330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 122517330 is about 11068.7546725004. The cubic root of 122517330 is about 496.6676130687.

The spelling of 122517330 in words is "one hundred twenty-two million, five hundred seventeen thousand, three hundred thirty".