1181941252 has 12 divisors (see below), whose sum is σ = 2190067740. Its totient is φ = 556207616.

The previous prime is 1181941249. The next prime is 1181941253. The reversal of 1181941252 is 2521491811.

It can be written as a sum of positive squares in 2 ways, for example, as 749883456 + 432057796 = 27384^2 + 20786^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1181941253) 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, 8690677 + ... + 8690812.

It is an arithmetic number, because the mean of its divisors is an integer number (182505645).

Almost surely, 2^1181941252 is an apocalyptic number.

It is an amenable number.

1181941252 is a deficient number, since it is larger than the sum of its proper divisors (1008126488).

1181941252 is a wasteful number, since it uses less digits than its factorization.

1181941252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17381510 (or 17381508 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 1181941252 is about 34379.3724782754. The cubic root of 1181941252 is about 1057.3009689384.

The spelling of 1181941252 in words is "one billion, one hundred eighty-one million, nine hundred forty-one thousand, two hundred fifty-two".