1118236098 has 64 divisors (see below), whose sum is σ = 2710713600. Its totient is φ = 300214272.

The previous prime is 1118236039. The next prime is 1118236099. The reversal of 1118236098 is 8906328111.

It is not an unprimeable number, because it can be changed into a prime (1118236099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 748240 + ... + 749732.

It is an arithmetic number, because the mean of its divisors is an integer number (42354900).

Almost surely, 2^1118236098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118236098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355356800).

1118236098 is an abundant number, since it is smaller than the sum of its proper divisors (1592477502).

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

1118236098 is a wasteful number, since it uses less digits than its factorization.

1118236098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1118236098 is about 33440.0373504576. The cubic root of 1118236098 is about 1037.9533523240.

The spelling of 1118236098 in words is "one billion, one hundred eighteen million, two hundred thirty-six thousand, ninety-eight".