1192978080 has 288 divisors, whose sum is σ = 4898275200. Its totient is φ = 258287616.

The previous prime is 1192978079. The next prime is 1192978091. The reversal of 1192978080 is 808792911.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188406 + ... + 194634.

It is an arithmetic number, because the mean of its divisors is an integer number (17007900).

Almost surely, 2^1192978080 is an apocalyptic number.

1192978080 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 1192978080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2449137600).

1192978080 is an abundant number, since it is smaller than the sum of its proper divisors (3705297120).

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

1192978080 is a wasteful number, since it uses less digits than its factorization.

1192978080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 1192978080 is about 34539.5147620808. The cubic root of 1192978080 is about 1060.5817620569.

It can be divided in two parts, 11929 and 78080, that added together give a palindrome (90009).

The spelling of 1192978080 in words is "one billion, one hundred ninety-two million, nine hundred seventy-eight thousand, eighty".