123617066 has 8 divisors (see below), whose sum is σ = 185893860. Its totient is φ = 61652448.

The previous prime is 123617051. The next prime is 123617071. The reversal of 123617066 is 660716321.

It can be written as a sum of positive squares in 2 ways, for example, as 107848225 + 15768841 = 10385^2 + 3971^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 77051 + ... + 78638.

Almost surely, 2^123617066 is an apocalyptic number.

123617066 is a deficient number, since it is larger than the sum of its proper divisors (62276794).

123617066 is a wasteful number, since it uses less digits than its factorization.

123617066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156088.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 123617066 is about 11118.3211862223. The cubic root of 123617066 is about 498.1492458708.

The spelling of 123617066 in words is "one hundred twenty-three million, six hundred seventeen thousand, sixty-six".