1235228253 has 8 divisors (see below), whose sum is σ = 1882252608. Its totient is φ = 705844704.

The previous prime is 1235228249. The next prime is 1235228287. The reversal of 1235228253 is 3528225321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1235228253 - 2² = 1235228249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235228243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29410176 + ... + 29410217.

It is an arithmetic number, because the mean of its divisors is an integer number (235281576).

Almost surely, 2^1235228253 is an apocalyptic number.

It is an amenable number.

1235228253 is a deficient number, since it is larger than the sum of its proper divisors (647024355).

1235228253 is an equidigital number, since it uses as much as digits as its factorization.

1235228253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58820403.

The product of its digits is 28800, while the sum is 33.

The square root of 1235228253 is about 35145.8141604374. The cubic root of 1235228253 is about 1072.9572175889.

The spelling of 1235228253 in words is "one billion, two hundred thirty-five million, two hundred twenty-eight thousand, two hundred fifty-three".