1121150145 has 16 divisors (see below), whose sum is σ = 1794848832. Its totient is φ = 597610560.

The previous prime is 1121150131. The next prime is 1121150161. The reversal of 1121150145 is 5410511211.

It is not a de Polignac number, because 1121150145 - 2¹³ = 1121141953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7834 + ... + 47996.

It is an arithmetic number, because the mean of its divisors is an integer number (112178052).

Almost surely, 2^1121150145 is an apocalyptic number.

1121150145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121150145 is a deficient number, since it is larger than the sum of its proper divisors (673698687).

1121150145 is a wasteful number, since it uses less digits than its factorization.

1121150145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42032.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1121150145 is about 33483.5802297186. The cubic root of 1121150145 is about 1038.8541821564.

Adding to 1121150145 its reverse (5410511211), we get a palindrome (6531661356).

The spelling of 1121150145 in words is "one billion, one hundred twenty-one million, one hundred fifty thousand, one hundred forty-five".