1121389335 has 24 divisors (see below), whose sum is σ = 2120446224. Its totient is φ = 543703680.

The previous prime is 1121389331. The next prime is 1121389337. The reversal of 1121389335 is 5339831211.

It is not a de Polignac number, because 1121389335 - 2² = 1121389331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121389335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121389331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1132222 + ... + 1133211.

It is an arithmetic number, because the mean of its divisors is an integer number (88351926).

Almost surely, 2^1121389335 is an apocalyptic number.

1121389335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121389335 is a deficient number, since it is larger than the sum of its proper divisors (999056889).

1121389335 is a wasteful number, since it uses less digits than its factorization.

1121389335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265455 (or 2265452 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1121389335 is about 33487.1517899029. The cubic root of 1121389335 is about 1038.9280544693.

The spelling of 1121389335 in words is "one billion, one hundred twenty-one million, three hundred eighty-nine thousand, three hundred thirty-five".