123134201 has 4 divisors (see below), whose sum is σ = 127106304. Its totient is φ = 119162100.

The previous prime is 123134197. The next prime is 123134237. The reversal of 123134201 is 102431321.

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 123134201 - 2² = 123134197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123134201.

It is not an unprimeable number, because it can be changed into a prime (123134701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986005 + ... + 1986066.

It is an arithmetic number, because the mean of its divisors is an integer number (31776576).

Almost surely, 2^123134201 is an apocalyptic number.

It is an amenable number.

123134201 is a deficient number, since it is larger than the sum of its proper divisors (3972103).

123134201 is an equidigital number, since it uses as much as digits as its factorization.

123134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972102.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123134201 is about 11096.5851053376. The cubic root of 123134201 is about 497.4997867056.

Adding to 123134201 its reverse (102431321), we get a palindrome (225565522).

The spelling of 123134201 in words is "one hundred twenty-three million, one hundred thirty-four thousand, two hundred one".