1180130909 has 4 divisors (see below), whose sum is σ = 1218199680. Its totient is φ = 1142062140.

The previous prime is 1180130867. The next prime is 1180130933. The reversal of 1180130909 is 9090310811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1180130909 - 2¹² = 1180126813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180130009) 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, 19034339 + ... + 19034400.

It is an arithmetic number, because the mean of its divisors is an integer number (304549920).

Almost surely, 2^1180130909 is an apocalyptic number.

It is an amenable number.

1180130909 is a deficient number, since it is larger than the sum of its proper divisors (38068771).

1180130909 is an equidigital number, since it uses as much as digits as its factorization.

1180130909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38068770.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 1180130909 is about 34353.0334759538. The cubic root of 1180130909 is about 1056.7608813264.

The spelling of 1180130909 in words is "one billion, one hundred eighty million, one hundred thirty thousand, nine hundred nine".