1084121419 has 2 divisors, whose sum is σ = 1084121420. Its totient is φ = 1084121418.

The previous prime is 1084121417. The next prime is 1084121509. The reversal of 1084121419 is 9141214801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1084121419 - 2¹ = 1084121417 is a prime.

It is a super-2 number, since 2×1084121419² = 2350638502269147122, which contains 22 as substring.

Together with 1084121417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1084121417) 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 as a sum of consecutive naturals, namely, 542060709 + 542060710.

It is an arithmetic number, because the mean of its divisors is an integer number (542060710).

Almost surely, 2^1084121419 is an apocalyptic number.

1084121419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084121419 is an equidigital number, since it uses as much as digits as its factorization.

1084121419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1084121419 is about 32925.9991344226. Note that the first 3 decimals coincide. The cubic root of 1084121419 is about 1027.2890090350.

The spelling of 1084121419 in words is "one billion, eighty-four million, one hundred twenty-one thousand, four hundred nineteen".