1129984903 has 2 divisors, whose sum is σ = 1129984904. Its totient is φ = 1129984902.

The previous prime is 1129984901. The next prime is 1129984907. The reversal of 1129984903 is 3094899211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1129984903 - 2¹ = 1129984901 is a prime.

Together with 1129984901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129984901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564992451 + 564992452.

It is an arithmetic number, because the mean of its divisors is an integer number (564992452).

Almost surely, 2^1129984903 is an apocalyptic number.

1129984903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129984903 is an equidigital number, since it uses as much as digits as its factorization.

1129984903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 1129984903 is about 33615.2480728612. The cubic root of 1129984903 is about 1041.5757987196.

The spelling of 1129984903 in words is "one billion, one hundred twenty-nine million, nine hundred eighty-four thousand, nine hundred three".