1121914089 has 6 divisors (see below), whose sum is σ = 1620542586. Its totient is φ = 747942720.

The previous prime is 1121914081. The next prime is 1121914093. The reversal of 1121914089 is 9804191211.

It can be written as a sum of positive squares in only one way, i.e., 1062238464 + 59675625 = 32592^2 + 7725^2 .

It is not a de Polignac number, because 1121914089 - 2³ = 1121914081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121914081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62328552 + ... + 62328569.

It is an arithmetic number, because the mean of its divisors is an integer number (270090431).

Almost surely, 2^1121914089 is an apocalyptic number.

It is an amenable number.

1121914089 is a deficient number, since it is larger than the sum of its proper divisors (498628497).

1121914089 is a wasteful number, since it uses less digits than its factorization.

1121914089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124657127 (or 124657124 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 1121914089 is about 33494.9860277624. The cubic root of 1121914089 is about 1039.0900846159.

The spelling of 1121914089 in words is "one billion, one hundred twenty-one million, nine hundred fourteen thousand, eighty-nine".