122606653 has 8 divisors (see below), whose sum is σ = 132147288. Its totient is φ = 113081664.

The previous prime is 122606651. The next prime is 122606681. The reversal of 122606653 is 356606221.

It can be written as a sum of positive squares in 4 ways, for example, as 21040569 + 101566084 = 4587^2 + 10078^2 .

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 122606653 - 2¹ = 122606651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122606651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16251 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (16518411).

Almost surely, 2^122606653 is an apocalyptic number.

122606653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122606653 is a deficient number, since it is larger than the sum of its proper divisors (9540635).

122606653 is a wasteful number, since it uses less digits than its factorization.

122606653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 122606653 is about 11072.7888537622. The cubic root of 122606653 is about 496.7882846074.

The spelling of 122606653 in words is "one hundred twenty-two million, six hundred six thousand, six hundred fifty-three".