1118522089 has 8 divisors (see below), whose sum is σ = 1188106920. Its totient is φ = 1049358336.

The previous prime is 1118522087. The next prime is 1118522117. The reversal of 1118522089 is 9802258111.

It can be written as a sum of positive squares in 4 ways, for example, as 42354064 + 1076168025 = 6508^2 + 32805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1118522089 - 2¹ = 1118522087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118522087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99784 + ... + 110425.

It is an arithmetic number, because the mean of its divisors is an integer number (148513365).

Almost surely, 2^1118522089 is an apocalyptic number.

It is an amenable number.

1118522089 is a deficient number, since it is larger than the sum of its proper divisors (69584831).

1118522089 is a wasteful number, since it uses less digits than its factorization.

1118522089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210539.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1118522089 is about 33444.3132535264. The cubic root of 1118522089 is about 1038.0418309601.

The spelling of 1118522089 in words is "one billion, one hundred eighteen million, five hundred twenty-two thousand, eighty-nine".