1121859366 has 16 divisors (see below), whose sum is σ = 2244849984. Its totient is φ = 373764584.

The previous prime is 1121859353. The next prime is 1121859371. The reversal of 1121859366 is 6639581211.

1121859366 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33960 + ... + 58283.

It is an arithmetic number, because the mean of its divisors is an integer number (140303124).

Almost surely, 2^1121859366 is an apocalyptic number.

1121859366 is an abundant number, since it is smaller than the sum of its proper divisors (1122990618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121859366 is a wasteful number, since it uses less digits than its factorization.

1121859366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94275.

The product of its digits is 77760, while the sum is 42.

The square root of 1121859366 is about 33494.1691343434. The cubic root of 1121859366 is about 1039.0731899619.

The spelling of 1121859366 in words is "one billion, one hundred twenty-one million, eight hundred fifty-nine thousand, three hundred sixty-six".