1121105869 has 8 divisors (see below), whose sum is σ = 1219068032. Its totient is φ = 1024818480.

The previous prime is 1121105831. The next prime is 1121105879. The reversal of 1121105869 is 9685011211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121105869 - 2¹¹ = 1121103821 is a prime.

It is a super-2 number, since 2×1121105869² = 2513756739012490322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121105879) 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 in 7 ways as a sum of consecutive naturals, for example, 417297 + ... + 419974.

It is an arithmetic number, because the mean of its divisors is an integer number (152383504).

Almost surely, 2^1121105869 is an apocalyptic number.

It is an amenable number.

1121105869 is a deficient number, since it is larger than the sum of its proper divisors (97962163).

1121105869 is a wasteful number, since it uses less digits than its factorization.

1121105869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837387.

The product of its (nonzero) digits is 4320, while the sum is 34.

The square root of 1121105869 is about 33482.9190633075. The cubic root of 1121105869 is about 1038.8405066424.

The spelling of 1121105869 in words is "one billion, one hundred twenty-one million, one hundred five thousand, eight hundred sixty-nine".