122616385 has 4 divisors (see below), whose sum is σ = 147139668. Its totient is φ = 98093104.

The previous prime is 122616371. The next prime is 122616391. The reversal of 122616385 is 583616221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583616221 = 331 ⋅1763191.

It can be written as a sum of positive squares in 2 ways, for example, as 27962944 + 94653441 = 5288^2 + 9729^2 .

It is a cyclic number.

It is not a de Polignac number, because 122616385 - 2⁵ = 122616353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122616385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12261634 + ... + 12261643.

It is an arithmetic number, because the mean of its divisors is an integer number (36784917).

Almost surely, 2^122616385 is an apocalyptic number.

It is an amenable number.

122616385 is a deficient number, since it is larger than the sum of its proper divisors (24523283).

122616385 is an equidigital number, since it uses as much as digits as its factorization.

122616385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24523282.

The product of its digits is 17280, while the sum is 34.

The square root of 122616385 is about 11073.2283007260. The cubic root of 122616385 is about 496.8014285806.

The spelling of 122616385 in words is "one hundred twenty-two million, six hundred sixteen thousand, three hundred eighty-five".