122152530 has 64 divisors (see below), whose sum is σ = 306851328. Its totient is φ = 31088640.

The previous prime is 122152523. The next prime is 122152543. The reversal of 122152530 is 35251221.

It is a junction number, because it is equal to n+sod(n) for n = 122152497 and 122152506.

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, 56754 + ... + 58866.

It is an arithmetic number, because the mean of its divisors is an integer number (4794552).

Almost surely, 2^122152530 is an apocalyptic number.

122152530 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 122152530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153425664).

122152530 is an abundant number, since it is smaller than the sum of its proper divisors (184698798).

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

122152530 is a wasteful number, since it uses less digits than its factorization.

122152530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 122152530 is about 11052.2635690613. The cubic root of 122152530 is about 496.1741741104.

The spelling of 122152530 in words is "one hundred twenty-two million, one hundred fifty-two thousand, five hundred thirty".