123244001 has 4 divisors (see below), whose sum is σ = 124979904. Its totient is φ = 121508100.

The previous prime is 123243947. The next prime is 123244007. The reversal of 123244001 is 100442321.

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 123244001 - 2¹⁴ = 123227617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123244007) 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, 867845 + ... + 867986.

It is an arithmetic number, because the mean of its divisors is an integer number (31244976).

Almost surely, 2^123244001 is an apocalyptic number.

It is an amenable number.

123244001 is a deficient number, since it is larger than the sum of its proper divisors (1735903).

123244001 is an equidigital number, since it uses as much as digits as its factorization.

123244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735902.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123244001 is about 11101.5314709278. The cubic root of 123244001 is about 497.6476179539.

Adding to 123244001 its reverse (100442321), we get a palindrome (223686322).

The spelling of 123244001 in words is "one hundred twenty-three million, two hundred forty-four thousand, one".