1121053499 has 2 divisors, whose sum is σ = 1121053500. Its totient is φ = 1121053498.

The previous prime is 1121053489. The next prime is 1121053537. The reversal of 1121053499 is 9943501211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121053499 - 2¹⁶ = 1120987963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121053459) 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 as a sum of consecutive naturals, namely, 560526749 + 560526750.

It is an arithmetic number, because the mean of its divisors is an integer number (560526750).

Almost surely, 2^1121053499 is an apocalyptic number.

1121053499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121053499 is an equidigital number, since it uses as much as digits as its factorization.

1121053499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1121053499 is about 33482.1370136376. The cubic root of 1121053499 is about 1038.8243306725.

The spelling of 1121053499 in words is "one billion, one hundred twenty-one million, fifty-three thousand, four hundred ninety-nine".