122602681 has 4 divisors (see below), whose sum is σ = 122627700. Its totient is φ = 122577664.

The previous prime is 122602663. The next prime is 122602717. The reversal of 122602681 is 186206221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186206221 = 61 ⋅3052561.

It can be written as a sum of positive squares in 2 ways, for example, as 83101456 + 39501225 = 9116^2 + 6285^2 .

It is a cyclic number.

It is not a de Polignac number, because 122602681 - 2⁷ = 122602553 is a prime.

It is a super-2 number, since 2×122602681² = 30062834776775522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122602631) 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, 2476 + ... + 15853.

It is an arithmetic number, because the mean of its divisors is an integer number (30656925).

Almost surely, 2^122602681 is an apocalyptic number.

It is an amenable number.

122602681 is a deficient number, since it is larger than the sum of its proper divisors (25019).

122602681 is an equidigital number, since it uses as much as digits as its factorization.

122602681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 122602681 is about 11072.6094937011. The cubic root of 122602681 is about 496.7829198513.

It can be divided in two parts, 12260 and 2681, that added together give a palindrome (14941).

The spelling of 122602681 in words is "one hundred twenty-two million, six hundred two thousand, six hundred eighty-one".