1223003001 has 64 divisors (see below), whose sum is σ = 1996876800. Its totient is φ = 656179200.

The previous prime is 1223002997. The next prime is 1223003009. The reversal of 1223003001 is 1003003221.

It is a happy number.

It is not a de Polignac number, because 1223003001 - 2² = 1223002997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223003009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1907641 + ... + 1908281.

It is an arithmetic number, because the mean of its divisors is an integer number (31201200).

Almost surely, 2^1223003001 is an apocalyptic number.

1223003001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1223003001 is a deficient number, since it is larger than the sum of its proper divisors (773873799).

1223003001 is a wasteful number, since it uses less digits than its factorization.

1223003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1223003001 is about 34971.4598065337. The cubic root of 1223003001 is about 1069.4057319661.

Adding to 1223003001 its reverse (1003003221), we get a palindrome (2226006222).

The spelling of 1223003001 in words is "one billion, two hundred twenty-three million, three thousand, one".