122505113 has 8 divisors (see below), whose sum is σ = 126031560. Its totient is φ = 118990080.

The previous prime is 122505091. The next prime is 122505121. The reversal of 122505113 is 311505221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 58553104 + 63952009 = 7652^2 + 7997^2 .

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 122505113 - 2¹⁸ = 122242969 is a prime.

It is a super-2 number, since 2×122505113² = 30015005422285538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122505133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21953 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (15753945).

Almost surely, 2^122505113 is an apocalyptic number.

It is an amenable number.

122505113 is a deficient number, since it is larger than the sum of its proper divisors (3526447).

122505113 is an equidigital number, since it uses as much as digits as its factorization.

122505113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 122505113 is about 11068.2027899745. The cubic root of 122505113 is about 496.6511038670.

The spelling of 122505113 in words is "one hundred twenty-two million, five hundred five thousand, one hundred thirteen".