1134021253 has 4 divisors (see below), whose sum is σ = 1136982528. Its totient is φ = 1131059980.

The previous prime is 1134021209. The next prime is 1134021257. The reversal of 1134021253 is 3521204311.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1134021253 - 2¹³ = 1134013061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134021257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480063 + ... + 1480828.

It is an arithmetic number, because the mean of its divisors is an integer number (284245632).

Almost surely, 2^1134021253 is an apocalyptic number.

It is an amenable number.

1134021253 is a deficient number, since it is larger than the sum of its proper divisors (2961275).

1134021253 is an equidigital number, since it uses as much as digits as its factorization.

1134021253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961274.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1134021253 is about 33675.2320407744. The cubic root of 1134021253 is about 1042.8145080632.

Adding to 1134021253 its reverse (3521204311), we get a palindrome (4655225564).

The spelling of 1134021253 in words is "one billion, one hundred thirty-four million, twenty-one thousand, two hundred fifty-three".