123122401 has 4 divisors (see below), whose sum is σ = 123494704. Its totient is φ = 122750100.

The previous prime is 123122399. The next prime is 123122423. The reversal of 123122401 is 104221321.

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 123122401 - 2¹ = 123122399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123122431) 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, 185655 + ... + 186316.

It is an arithmetic number, because the mean of its divisors is an integer number (30873676).

Almost surely, 2^123122401 is an apocalyptic number.

It is an amenable number.

123122401 is a deficient number, since it is larger than the sum of its proper divisors (372303).

123122401 is an equidigital number, since it uses as much as digits as its factorization.

123122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372302.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 123122401 is about 11096.0533974923. The cubic root of 123122401 is about 497.4838943298.

Adding to 123122401 its reverse (104221321), we get a palindrome (227343722).

It can be divided in two parts, 1231 and 22401, that added together give a palindrome (23632).

The spelling of 123122401 in words is "one hundred twenty-three million, one hundred twenty-two thousand, four hundred one".