1118275698 has 16 divisors (see below), whose sum is σ = 2241149760. Its totient is φ = 371992176.

The previous prime is 1118275693. The next prime is 1118275727. The reversal of 1118275698 is 8965728111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1118275693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188433 + ... + 194276.

It is an arithmetic number, because the mean of its divisors is an integer number (140071860).

Almost surely, 2^1118275698 is an apocalyptic number.

1118275698 is an abundant number, since it is smaller than the sum of its proper divisors (1122874062).

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

1118275698 is a wasteful number, since it uses less digits than its factorization.

1118275698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383201.

The product of its digits is 241920, while the sum is 48.

The square root of 1118275698 is about 33440.6294498175. The cubic root of 1118275698 is about 1037.9656044973.

The spelling of 1118275698 in words is "one billion, one hundred eighteen million, two hundred seventy-five thousand, six hundred ninety-eight".