1233143225 has 12 divisors (see below), whose sum is σ = 1609577040. Its totient is φ = 934592400.

The previous prime is 1233143213. The next prime is 1233143237. The reversal of 1233143225 is 5223413321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1233143213) and next prime (1233143237).

It is not a de Polignac number, because 1233143225 - 2⁸ = 1233142969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233143194 and 1233143203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1297571 + ... + 1298520.

It is an arithmetic number, because the mean of its divisors is an integer number (134131420).

Almost surely, 2^1233143225 is an apocalyptic number.

It is an amenable number.

1233143225 is a deficient number, since it is larger than the sum of its proper divisors (376433815).

1233143225 is a wasteful number, since it uses less digits than its factorization.

1233143225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596120 (or 2596115 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1233143225 is about 35116.1390958630. The cubic root of 1233143225 is about 1072.3531711269.

Adding to 1233143225 its reverse (5223413321), we get a palindrome (6456556546).

The spelling of 1233143225 in words is "one billion, two hundred thirty-three million, one hundred forty-three thousand, two hundred twenty-five".