122500501 has 4 divisors (see below), whose sum is σ = 122649100. Its totient is φ = 122351904.

The previous prime is 122500439. The next prime is 122500519. The reversal of 122500501 is 105005221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105005221 = 4813 ⋅21817.

It can be written as a sum of positive squares in 2 ways, for example, as 42380100 + 80120401 = 6510^2 + 8951^2 .

It is a cyclic number.

It is not a de Polignac number, because 122500501 - 2¹³ = 122492309 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 73056 + ... + 74713.

It is an arithmetic number, because the mean of its divisors is an integer number (30662275).

Almost surely, 2^122500501 is an apocalyptic number.

It is an amenable number.

122500501 is a deficient number, since it is larger than the sum of its proper divisors (148599).

122500501 is an equidigital number, since it uses as much as digits as its factorization.

122500501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148598.

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

The square root of 122500501 is about 11067.9944434392. The cubic root of 122500501 is about 496.6448712465.

Adding to 122500501 its reverse (105005221), we get a palindrome (227505722).

The spelling of 122500501 in words is "one hundred twenty-two million, five hundred thousand, five hundred one".