1235085225 has 48 divisors (see below), whose sum is σ = 2234481984. Its totient is φ = 596992000.

The previous prime is 1235085221. The next prime is 1235085227. The reversal of 1235085225 is 5225805321.

It is not a de Polignac number, because 1235085225 - 2² = 1235085221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1235085221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289105 + ... + 293345.

It is an arithmetic number, because the mean of its divisors is an integer number (46551708).

Almost surely, 2^1235085225 is an apocalyptic number.

1235085225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235085225 is a deficient number, since it is larger than the sum of its proper divisors (999396759).

1235085225 is a wasteful number, since it uses less digits than its factorization.

1235085225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618 (or 4613 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1235085225 is about 35143.7793215243. The cubic root of 1235085225 is about 1072.9158031518.

The spelling of 1235085225 in words is "one billion, two hundred thirty-five million, eighty-five thousand, two hundred twenty-five".