122676681 has 4 divisors (see below), whose sum is σ = 163568912. Its totient is φ = 81784452.

The previous prime is 122676679. The next prime is 122676683. The reversal of 122676681 is 186676221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186676221 = 3 ⋅62225407.

It is an interprime number because it is at equal distance from previous prime (122676679) and next prime (122676683).

It is not a de Polignac number, because 122676681 - 2¹ = 122676679 is a prime.

It is a super-2 number, since 2×122676681² = 30099136122351522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122676683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20446111 + ... + 20446116.

It is an arithmetic number, because the mean of its divisors is an integer number (40892228).

Almost surely, 2^122676681 is an apocalyptic number.

It is an amenable number.

122676681 is a deficient number, since it is larger than the sum of its proper divisors (40892231).

122676681 is an equidigital number, since it uses as much as digits as its factorization.

122676681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40892230.

The product of its digits is 48384, while the sum is 39.

The square root of 122676681 is about 11075.9505686871. The cubic root of 122676681 is about 496.8828484501.

The spelling of 122676681 in words is "one hundred twenty-two million, six hundred seventy-six thousand, six hundred eighty-one".