122065745 has 8 divisors (see below), whose sum is σ = 147239016. Its totient is φ = 97145856.

The previous prime is 122065739. The next prime is 122065753. The reversal of 122065745 is 547560221.

It can be written as a sum of positive squares in 4 ways, for example, as 14984641 + 107081104 = 3871^2 + 10348^2 .

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 122065745 - 2¹⁸ = 121803601 is a prime.

It is a super-2 number, since 2×122065745² = 29800092204810050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62282 + ... + 64211.

It is an arithmetic number, because the mean of its divisors is an integer number (18404877).

Almost surely, 2^122065745 is an apocalyptic number.

It is an amenable number.

122065745 is a deficient number, since it is larger than the sum of its proper divisors (25173271).

122065745 is a wasteful number, since it uses less digits than its factorization.

122065745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126691.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 122065745 is about 11048.3367526520. The cubic root of 122065745 is about 496.0566416086.

The spelling of 122065745 in words is "one hundred twenty-two million, sixty-five thousand, seven hundred forty-five".