122751065 has 4 divisors (see below), whose sum is σ = 147301284. Its totient is φ = 98200848.

The previous prime is 122751053. The next prime is 122751121. The reversal of 122751065 is 560157221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91087936 + 31663129 = 9544^2 + 5627^2 .

It is a cyclic number.

It is not a de Polignac number, because 122751065 - 2¹² = 122746969 is a prime.

It is a Duffinian 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, 12275102 + ... + 12275111.

It is an arithmetic number, because the mean of its divisors is an integer number (36825321).

Almost surely, 2^122751065 is an apocalyptic number.

It is an amenable number.

122751065 is a deficient number, since it is larger than the sum of its proper divisors (24550219).

122751065 is an equidigital number, since it uses as much as digits as its factorization.

122751065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24550218.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 122751065 is about 11079.3079657531. The cubic root of 122751065 is about 496.9832551067.

The spelling of 122751065 in words is "one hundred twenty-two million, seven hundred fifty-one thousand, sixty-five".