1181172082 has 8 divisors (see below), whose sum is σ = 1771911900. Its totient is φ = 590534784.

The previous prime is 1181172079. The next prime is 1181172103. The reversal of 1181172082 is 2802711811.

It can be written as a sum of positive squares in 2 ways, for example, as 1140480441 + 40691641 = 33771^2 + 6379^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18094 + ... + 51862.

Almost surely, 2^1181172082 is an apocalyptic number.

1181172082 is a deficient number, since it is larger than the sum of its proper divisors (590739818).

1181172082 is a wasteful number, since it uses less digits than its factorization.

1181172082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51260.

The product of its (nonzero) digits is 1792, while the sum is 31.

The square root of 1181172082 is about 34368.1841533707. The cubic root of 1181172082 is about 1057.0715664871.

Adding to 1181172082 its reverse (2802711811), we get a palindrome (3983883893).

The spelling of 1181172082 in words is "one billion, one hundred eighty-one million, one hundred seventy-two thousand, eighty-two".