122001504 has 24 divisors (see below), whose sum is σ = 320254200. Its totient is φ = 40667136.

The previous prime is 122001491. The next prime is 122001511. The reversal of 122001504 is 405100221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635329 + ... + 635520.

It is an arithmetic number, because the mean of its divisors is an integer number (13343925).

Almost surely, 2^122001504 is an apocalyptic number.

It is an amenable number.

122001504 is an abundant number, since it is smaller than the sum of its proper divisors (198252696).

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

122001504 is a wasteful number, since it uses less digits than its factorization.

122001504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270862 (or 1270854 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 122001504 is about 11045.4290998585. The cubic root of 122001504 is about 495.9696044502.

Adding to 122001504 its reverse (405100221), we get a palindrome (527101725).

The spelling of 122001504 in words is "one hundred twenty-two million, one thousand, five hundred four".