1187112338 has 16 divisors (see below), whose sum is σ = 1844018136. Its totient is φ = 572807040.

The previous prime is 1187112337. The next prime is 1187112379. The reversal of 1187112338 is 8332117811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 805027129 + 382085209 = 28373^2 + 19547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1187112298 and 1187112307.

It is not an unprimeable number, because it can be changed into a prime (1187112337) 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, 85331 + ... + 98262.

Almost surely, 2^1187112338 is an apocalyptic number.

1187112338 is a deficient number, since it is larger than the sum of its proper divisors (656905798).

1187112338 is a wasteful number, since it uses less digits than its factorization.

1187112338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183709.

The product of its digits is 8064, while the sum is 35.

The square root of 1187112338 is about 34454.4966296128. The cubic root of 1187112338 is about 1058.8406506911.

The spelling of 1187112338 in words is "one billion, one hundred eighty-seven million, one hundred twelve thousand, three hundred thirty-eight".