1223102001 has 24 divisors (see below), whose sum is σ = 1797615232. Its totient is φ = 739173600.

The previous prime is 1223101987. The next prime is 1223102017. The reversal of 1223102001 is 1002013221.

It is not a de Polignac number, because 1223102001 - 2³⁰ = 149360177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223102051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128631 + ... + 137811.

Almost surely, 2^1223102001 is an apocalyptic number.

1223102001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1223102001 is a deficient number, since it is larger than the sum of its proper divisors (574513231).

1223102001 is a wasteful number, since it uses less digits than its factorization.

1223102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573 (or 9562 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1223102001 is about 34972.8752178027. The cubic root of 1223102001 is about 1069.4345867088.

Adding to 1223102001 its reverse (1002013221), we get a palindrome (2225115222).

The spelling of 1223102001 in words is "one billion, two hundred twenty-three million, one hundred two thousand, one".