1180779120 has 200 divisors, whose sum is σ = 4189356864. Its totient is φ = 308095488.

The previous prime is 1180779107. The next prime is 1180779137. The reversal of 1180779120 is 219770811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 302622 + ... + 306498.

Almost surely, 2^1180779120 is an apocalyptic number.

1180779120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1180779120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094678432).

1180779120 is an abundant number, since it is smaller than the sum of its proper divisors (3008577744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1180779120 is a wasteful number, since it uses less digits than its factorization.

1180779120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 1180779120 is about 34362.4667333415. The cubic root of 1180779120 is about 1056.9543284101.

The spelling of 1180779120 in words is "one billion, one hundred eighty million, seven hundred seventy-nine thousand, one hundred twenty".