1134020903 has 4 divisors (see below), whose sum is σ = 1138028328. Its totient is φ = 1130013480.

The previous prime is 1134020893. The next prime is 1134020917. The reversal of 1134020903 is 3090204311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3090204311 = 1459 ⋅2118029.

It is a cyclic number.

It is not a de Polignac number, because 1134020903 - 2²⁶ = 1066912039 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 (1134020933) 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, 2003288 + ... + 2003853.

It is an arithmetic number, because the mean of its divisors is an integer number (284507082).

Almost surely, 2^1134020903 is an apocalyptic number.

1134020903 is a deficient number, since it is larger than the sum of its proper divisors (4007425).

1134020903 is an equidigital number, since it uses as much as digits as its factorization.

1134020903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007424.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1134020903 is about 33675.2268440763. The cubic root of 1134020903 is about 1042.8144007797.

The spelling of 1134020903 in words is "one billion, one hundred thirty-four million, twenty thousand, nine hundred three".