1233501225 has 144 divisors (see below), whose sum is σ = 2394638400. Its totient is φ = 558835200.

The previous prime is 1233501211. The next prime is 1233501257. The reversal of 1233501225 is 5221053321.

It is a happy number.

It is not a de Polignac number, because 1233501225 - 2⁴ = 1233501209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1233501195 and 1233501204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11316471 + ... + 11316579.

Almost surely, 2^1233501225 is an apocalyptic number.

1233501225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1233501225 is a deficient number, since it is larger than the sum of its proper divisors (1161137175).

1233501225 is a wasteful number, since it uses less digits than its factorization.

1233501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1233501225 is about 35121.2360972674. The cubic root of 1233501225 is about 1072.4569344969.

Adding to 1233501225 its reverse (5221053321), we get a palindrome (6454554546).

The spelling of 1233501225 in words is "one billion, two hundred thirty-three million, five hundred one thousand, two hundred twenty-five".