123966577 has 8 divisors (see below), whose sum is σ = 143052416. Its totient is φ = 105224832.

The previous prime is 123966571. The next prime is 123966607. The reversal of 123966577 is 775669321.

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 123966577 - 2³ = 123966569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123966571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85248 + ... + 86689.

It is an arithmetic number, because the mean of its divisors is an integer number (17881552).

Almost surely, 2^123966577 is an apocalyptic number.

It is an amenable number.

123966577 is a deficient number, since it is larger than the sum of its proper divisors (19085839).

123966577 is a wasteful number, since it uses less digits than its factorization.

123966577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172047.

The product of its digits is 476280, while the sum is 46.

The square root of 123966577 is about 11134.0278875167. The cubic root of 123966577 is about 498.6182879273.

The spelling of 123966577 in words is "one hundred twenty-three million, nine hundred sixty-six thousand, five hundred seventy-seven".