123011201 has 4 divisors (see below), whose sum is σ = 130247172. Its totient is φ = 115775232.

The previous prime is 123011177. The next prime is 123011219. The reversal of 123011201 is 102110321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113401201 + 9610000 = 10649^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 123011201 - 2¹⁰ = 123010177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123011221) 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, 3617960 + ... + 3617993.

It is an arithmetic number, because the mean of its divisors is an integer number (32561793).

Almost surely, 2^123011201 is an apocalyptic number.

It is an amenable number.

123011201 is a deficient number, since it is larger than the sum of its proper divisors (7235971).

123011201 is an equidigital number, since it uses as much as digits as its factorization.

123011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235970.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 123011201 is about 11091.0414749923. The cubic root of 123011201 is about 497.3340789931.

Adding to 123011201 its reverse (102110321), we get a palindrome (225121522).

The spelling of 123011201 in words is "one hundred twenty-three million, eleven thousand, two hundred one".