1121850774 has 144 divisors (see below), whose sum is σ = 2901815280. Its totient is φ = 311731200.

The previous prime is 1121850749. The next prime is 1121850799. The reversal of 1121850774 is 4770581211.

It is an interprime number because it is at equal distance from previous prime (1121850749) and next prime (1121850799).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1517697 + ... + 1518435.

It is an arithmetic number, because the mean of its divisors is an integer number (20151495).

Almost surely, 2^1121850774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121850774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450907640).

1121850774 is an abundant number, since it is smaller than the sum of its proper divisors (1779964506).

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

1121850774 is a wasteful number, since it uses less digits than its factorization.

1121850774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1121850774 is about 33494.0408729672. The cubic root of 1121850774 is about 1039.0705373003.

The spelling of 1121850774 in words is "one billion, one hundred twenty-one million, eight hundred fifty thousand, seven hundred seventy-four".