122501500 has 48 divisors (see below), whose sum is σ = 291878496. Its totient is φ = 44544000.

The previous prime is 122501471. The next prime is 122501501. The reversal of 122501500 is 5105221.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122501501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5637 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (6080802).

Almost surely, 2^122501500 is an apocalyptic number.

122501500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122501500 is an abundant number, since it is smaller than the sum of its proper divisors (169376996).

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

122501500 is a wasteful number, since it uses less digits than its factorization.

122501500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22303 (or 22291 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 122501500 is about 11068.0395734746. The cubic root of 122501500 is about 496.6462213005.

Adding to 122501500 its reverse (5105221), we get a palindrome (127606721).

The spelling of 122501500 in words is "one hundred twenty-two million, five hundred one thousand, five hundred".