1118299472 has 20 divisors (see below), whose sum is σ = 2188160916. Its totient is φ = 553612800.

The previous prime is 1118299471. The next prime is 1118299493. The reversal of 1118299472 is 2749928111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 846577216 + 271722256 = 29096^2 + 16484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118299471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344393 + ... + 347624.

Almost surely, 2^1118299472 is an apocalyptic number.

It is an amenable number.

1118299472 is a deficient number, since it is larger than the sum of its proper divisors (1069861444).

1118299472 is a wasteful number, since it uses less digits than its factorization.

1118299472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692126 (or 692120 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The square root of 1118299472 is about 33440.9849137253. The cubic root of 1118299472 is about 1037.9729599940.

The spelling of 1118299472 in words is "one billion, one hundred eighteen million, two hundred ninety-nine thousand, four hundred seventy-two".