122506552 has 64 divisors (see below), whose sum is σ = 269867520. Its totient is φ = 51055488.

The previous prime is 122506511. The next prime is 122506567. The reversal of 122506552 is 255605221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 122506552.

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, 386298 + ... + 386614.

It is an arithmetic number, because the mean of its divisors is an integer number (4216680).

Almost surely, 2^122506552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122506552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134933760).

122506552 is an abundant number, since it is smaller than the sum of its proper divisors (147360968).

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

122506552 is a wasteful number, since it uses less digits than its factorization.

122506552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 122506552 is about 11068.2677958206. The cubic root of 122506552 is about 496.6530484883.

The spelling of 122506552 in words is "one hundred twenty-two million, five hundred six thousand, five hundred fifty-two".