123066775 has 12 divisors (see below), whose sum is σ = 164341912. Its totient is φ = 90879840.

The previous prime is 123066761. The next prime is 123066833. The reversal of 123066775 is 577660321.

It is not a de Polignac number, because 123066775 - 2¹⁵ = 123034007 is a prime.

It is a super-2 number, since 2×123066775² = 30290862217801250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 189009 + ... + 189658.

Almost surely, 2^123066775 is an apocalyptic number.

123066775 is a deficient number, since it is larger than the sum of its proper divisors (41275137).

123066775 is a wasteful number, since it uses less digits than its factorization.

123066775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378690 (or 378685 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 123066775 is about 11093.5465474302. The cubic root of 123066775 is about 497.4089629134.

The spelling of 123066775 in words is "one hundred twenty-three million, sixty-six thousand, seven hundred seventy-five".