1235243225 has 12 divisors (see below), whose sum is σ = 1532141520. Its totient is φ = 987910800.

The previous prime is 1235243213. The next prime is 1235243279. The reversal of 1235243225 is 5223425321.

It is not a de Polignac number, because 1235243225 - 2¹² = 1235239129 is a prime.

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, 149246 + ... + 157304.

It is an arithmetic number, because the mean of its divisors is an integer number (127678460).

Almost surely, 2^1235243225 is an apocalyptic number.

It is an amenable number.

1235243225 is a deficient number, since it is larger than the sum of its proper divisors (296898295).

1235243225 is an equidigital number, since it uses as much as digits as its factorization.

1235243225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14200 (or 14195 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 1235243225 is about 35146.0271581298. The cubic root of 1235243225 is about 1072.9615526178.

Adding to 1235243225 its reverse (5223425321), we get a palindrome (6458668546).

The spelling of 1235243225 in words is "one billion, two hundred thirty-five million, two hundred forty-three thousand, two hundred twenty-five".