1235153225 has 6 divisors (see below), whose sum is σ = 1531590030. Its totient is φ = 988122560.

The previous prime is 1235153221. The next prime is 1235153233. The reversal of 1235153225 is 5223515321.

It can be written as a sum of positive squares in 3 ways, for example, as 17073424 + 1218079801 = 4132^2 + 34901^2 .

It is not a de Polignac number, because 1235153225 - 2² = 1235153221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1235153221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24703040 + ... + 24703089.

It is an arithmetic number, because the mean of its divisors is an integer number (255265005).

Almost surely, 2^1235153225 is an apocalyptic number.

It is an amenable number.

1235153225 is a deficient number, since it is larger than the sum of its proper divisors (296436805).

1235153225 is an equidigital number, since it uses as much as digits as its factorization.

1235153225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49406139 (or 49406134 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 1235153225 is about 35144.7467624964. The cubic root of 1235153225 is about 1072.9354932736.

Adding to 1235153225 its reverse (5223515321), we get a palindrome (6458668546).

The spelling of 1235153225 in words is "one billion, two hundred thirty-five million, one hundred fifty-three thousand, two hundred twenty-five".