1233103221 has 24 divisors (see below), whose sum is σ = 2064276864. Its totient is φ = 694703520.

The previous prime is 1233103199. The next prime is 1233103241. The reversal of 1233103221 is 1223013321.

1233103221 is a `hidden beast` number, since 12 + 331 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 1233103221 - 2⁷ = 1233103093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233103194 and 1233103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233103241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133366 + ... + 142311.

It is an arithmetic number, because the mean of its divisors is an integer number (86011536).

Almost surely, 2^1233103221 is an apocalyptic number.

It is an amenable number.

1233103221 is a deficient number, since it is larger than the sum of its proper divisors (831173643).

1233103221 is a wasteful number, since it uses less digits than its factorization.

1233103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275761 (or 275758 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1233103221 is about 35115.5694955955. The cubic root of 1233103221 is about 1072.3415750475.

Adding to 1233103221 its reverse (1223013321), we get a palindrome (2456116542).

It can be divided in two parts, 123 and 3103221, that multiplied together give a palindrome (381696183).

The spelling of 1233103221 in words is "one billion, two hundred thirty-three million, one hundred three thousand, two hundred twenty-one".