123271612 has 6 divisors (see below), whose sum is σ = 215725328. Its totient is φ = 61635804.

The previous prime is 123271571. The next prime is 123271613. The reversal of 123271612 is 216172321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123271613) 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 as a sum of consecutive naturals, namely, 15408948 + ... + 15408955.

Almost surely, 2^123271612 is an apocalyptic number.

It is an amenable number.

123271612 is a deficient number, since it is larger than the sum of its proper divisors (92453716).

123271612 is a wasteful number, since it uses less digits than its factorization.

123271612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30817907 (or 30817905 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 123271612 is about 11102.7749684482. The cubic root of 123271612 is about 497.6847787143.

The spelling of 123271612 in words is "one hundred twenty-three million, two hundred seventy-one thousand, six hundred twelve".