1181152126 has 16 divisors (see below), whose sum is σ = 2208908160. Its totient is φ = 460189080.

The previous prime is 1181152121. The next prime is 1181152151. The reversal of 1181152126 is 6212511811.

It is a junction number, because it is equal to n+sod(n) for n = 1181152094 and 1181152103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181152121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834756 + ... + 3835063.

It is an arithmetic number, because the mean of its divisors is an integer number (138056760).

Almost surely, 2^1181152126 is an apocalyptic number.

1181152126 is a deficient number, since it is larger than the sum of its proper divisors (1027756034).

1181152126 is a wasteful number, since it uses less digits than its factorization.

1181152126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669839.

The product of its digits is 960, while the sum is 28.

The square root of 1181152126 is about 34367.8938254878. The cubic root of 1181152126 is about 1057.0656133498.

Adding to 1181152126 its reverse (6212511811), we get a palindrome (7393663937).

The spelling of 1181152126 in words is "one billion, one hundred eighty-one million, one hundred fifty-two thousand, one hundred twenty-six".