123117601 has 4 divisors (see below), whose sum is σ = 125204400. Its totient is φ = 121030804.

The previous prime is 123117593. The next prime is 123117613. The reversal of 123117601 is 106711321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123117601 - 2³ = 123117593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123117641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043311 + ... + 1043428.

It is an arithmetic number, because the mean of its divisors is an integer number (31301100).

Almost surely, 2^123117601 is an apocalyptic number.

It is an amenable number.

123117601 is a deficient number, since it is larger than the sum of its proper divisors (2086799).

123117601 is an equidigital number, since it uses as much as digits as its factorization.

123117601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086798.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 123117601 is about 11095.8371022650. The cubic root of 123117601 is about 497.4774293439.

Adding to 123117601 its reverse (106711321), we get a palindrome (229828922).

The spelling of 123117601 in words is "one hundred twenty-three million, one hundred seventeen thousand, six hundred one".