122646386 has 8 divisors (see below), whose sum is σ = 184018284. Its totient is φ = 61306960.

The previous prime is 122646383. The next prime is 122646389. The reversal of 122646386 is 683646221.

It is an interprime number because it is at equal distance from previous prime (122646383) and next prime (122646389).

It can be written as a sum of positive squares in 2 ways, for example, as 91565761 + 31080625 = 9569^2 + 5575^2 .

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

It is not an unprimeable number, because it can be changed into a prime (122646383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836 + ... + 17088.

Almost surely, 2^122646386 is an apocalyptic number.

122646386 is a deficient number, since it is larger than the sum of its proper divisors (61371898).

122646386 is a wasteful number, since it uses less digits than its factorization.

122646386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236.

The product of its digits is 82944, while the sum is 38.

The square root of 122646386 is about 11074.5828815355. The cubic root of 122646386 is about 496.8419433515.

The spelling of 122646386 in words is "one hundred twenty-two million, six hundred forty-six thousand, three hundred eighty-six".