1233101253 has 4 divisors (see below), whose sum is σ = 1644135008. Its totient is φ = 822067500.

The previous prime is 1233101251. The next prime is 1233101263. The reversal of 1233101253 is 3521013321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1233101253 - 2¹ = 1233101251 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233101251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205516873 + ... + 205516878.

It is an arithmetic number, because the mean of its divisors is an integer number (411033752).

Almost surely, 2^1233101253 is an apocalyptic number.

It is an amenable number.

1233101253 is a deficient number, since it is larger than the sum of its proper divisors (411033755).

1233101253 is an equidigital number, since it uses as much as digits as its factorization.

1233101253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411033754.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1233101253 is about 35115.5414738261. The cubic root of 1233101253 is about 1072.3410045710.

Adding to 1233101253 its reverse (3521013321), we get a palindrome (4754114574).

The spelling of 1233101253 in words is "one billion, two hundred thirty-three million, one hundred one thousand, two hundred fifty-three".