123641601 has 8 divisors (see below), whose sum is σ = 167177664. Its totient is φ = 81266640.

The previous prime is 123641597. The next prime is 123641611. The reversal of 123641601 is 106146321.

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

It is not a de Polignac number, because 123641601 - 2² = 123641597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123641611) 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, 290026 + ... + 290451.

It is an arithmetic number, because the mean of its divisors is an integer number (20897208).

Almost surely, 2^123641601 is an apocalyptic number.

It is an amenable number.

123641601 is a deficient number, since it is larger than the sum of its proper divisors (43536063).

123641601 is an equidigital number, since it uses as much as digits as its factorization.

123641601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580551.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 123641601 is about 11119.4244905031. The cubic root of 123641601 is about 498.1822005526.

Adding to 123641601 its reverse (106146321), we get a palindrome (229787922).

The spelling of 123641601 in words is "one hundred twenty-three million, six hundred forty-one thousand, six hundred one".