1121042299 has 16 divisors (see below), whose sum is σ = 1250474400. Its totient is φ = 997871616.

The previous prime is 1121042297. The next prime is 1121042327. The reversal of 1121042299 is 9922401211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121042299 - 2¹ = 1121042297 is a prime.

It is a super-2 number, since 2×1121042299² = 2513471672294410802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121042299.

It is not an unprimeable number, because it can be changed into a prime (1121042291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433392 + ... + 435970.

It is an arithmetic number, because the mean of its divisors is an integer number (78154650).

Almost surely, 2^1121042299 is an apocalyptic number.

1121042299 is a deficient number, since it is larger than the sum of its proper divisors (129432101).

1121042299 is a wasteful number, since it uses less digits than its factorization.

1121042299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1121042299 is about 33481.9697598573. The cubic root of 1121042299 is about 1038.8208711673.

The spelling of 1121042299 in words is "one billion, one hundred twenty-one million, forty-two thousand, two hundred ninety-nine".