123272686 has 8 divisors (see below), whose sum is σ = 192948624. Its totient is φ = 58956480.

The previous prime is 123272671. The next prime is 123272689. The reversal of 123272686 is 686272321.

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

It is a super-2 number, since 2×123272686² = 30392310227309192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123272689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339875 + ... + 1339966.

It is an arithmetic number, because the mean of its divisors is an integer number (24118578).

Almost surely, 2^123272686 is an apocalyptic number.

123272686 is a deficient number, since it is larger than the sum of its proper divisors (69675938).

123272686 is a wasteful number, since it uses less digits than its factorization.

123272686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679866.

The product of its digits is 48384, while the sum is 37.

The square root of 123272686 is about 11102.8233346298. The cubic root of 123272686 is about 497.6862240644.

The spelling of 123272686 in words is "one hundred twenty-three million, two hundred seventy-two thousand, six hundred eighty-six".