1121928150 has 96 divisors (see below), whose sum is σ = 3347285760. Its totient is φ = 242939520.

The previous prime is 1121928139. The next prime is 1121928151. The reversal of 1121928150 is 518291211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121928151) 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 47 ways as a sum of consecutive naturals, for example, 8169 + ... + 48068.

It is an arithmetic number, because the mean of its divisors is an integer number (34867560).

Almost surely, 2^1121928150 is an apocalyptic number.

1121928150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121928150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673642880).

1121928150 is an abundant number, since it is smaller than the sum of its proper divisors (2225357610).

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

1121928150 is a wasteful number, since it uses less digits than its factorization.

1121928150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56278 (or 56273 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 1121928150 is about 33495.1959241919. The cubic root of 1121928150 is about 1039.0944255855.

The spelling of 1121928150 in words is "one billion, one hundred twenty-one million, nine hundred twenty-eight thousand, one hundred fifty".