122532601428 has 144 divisors (see below), whose sum is σ = 334692461376. Its totient is φ = 37654256640.

The previous prime is 122532601417. The next prime is 122532601439. The reversal of 122532601428 is 824106235221.

122532601428 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 3 + 2 + 601 + 42 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (122532601417) and next prime (122532601439).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 122532601392 and 122532601401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22151023 + ... + 22156553.

It is an arithmetic number, because the mean of its divisors is an integer number (2324253204).

Almost surely, 2^122532601428 is an apocalyptic number.

122532601428 is a gapful number since it is divisible by the number (18) 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 122532601428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167346230688).

122532601428 is an abundant number, since it is smaller than the sum of its proper divisors (212159859948).

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

122532601428 is a wasteful number, since it uses less digits than its factorization.

122532601428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 122532601428 its reverse (824106235221), we get a palindrome (946638836649).

The spelling of 122532601428 in words is "one hundred twenty-two billion, five hundred thirty-two million, six hundred one thousand, four hundred twenty-eight".