122305501 has 8 divisors (see below), whose sum is σ = 125988408. Its totient is φ = 118656000.

The previous prime is 122305487. The next prime is 122305507. The reversal of 122305501 is 105503221.

It can be written as a sum of positive squares in 4 ways, for example, as 9308601 + 112996900 = 3051^2 + 10630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122305501 - 2¹⁹ = 121781213 is a prime.

It is a super-2 number, since 2×122305501² = 29917271149722002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122305507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 820 + ... + 15661.

It is an arithmetic number, because the mean of its divisors is an integer number (15748551).

Almost surely, 2^122305501 is an apocalyptic number.

It is an amenable number.

122305501 is a deficient number, since it is larger than the sum of its proper divisors (3682907).

122305501 is a wasteful number, since it uses less digits than its factorization.

122305501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16703.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 122305501 is about 11059.1817509253. The cubic root of 122305501 is about 496.3812065215.

Adding to 122305501 its reverse (105503221), we get a palindrome (227808722).

The spelling of 122305501 in words is "one hundred twenty-two million, three hundred five thousand, five hundred one".