123252205 has 8 divisors (see below), whose sum is σ = 147962232. Its totient is φ = 98562048.

The previous prime is 123252203. The next prime is 123252229. The reversal of 123252205 is 502252321.

It can be written as a sum of positive squares in 4 ways, for example, as 5442889 + 117809316 = 2333^2 + 10854^2 .

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 123252205 - 2¹ = 123252203 is a prime.

It is a super-2 number, since 2×123252205² = 30382212074724050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123252203) 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 7 ways as a sum of consecutive naturals, for example, 22189 + ... + 27181.

It is an arithmetic number, because the mean of its divisors is an integer number (18495279).

Almost surely, 2^123252205 is an apocalyptic number.

It is an amenable number.

123252205 is a deficient number, since it is larger than the sum of its proper divisors (24710027).

123252205 is an equidigital number, since it uses as much as digits as its factorization.

123252205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 123252205 is about 11101.9009633486. The cubic root of 123252205 is about 497.6586600342.

The spelling of 123252205 in words is "one hundred twenty-three million, two hundred fifty-two thousand, two hundred five".