1193878512 has 60 divisors (see below), whose sum is σ = 3357122184. Its totient is φ = 396063360.

The previous prime is 1193878489. The next prime is 1193878513. The reversal of 1193878512 is 2158783911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193878513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10738 + ... + 50030.

Almost surely, 2^1193878512 is an apocalyptic number.

1193878512 is a gapful number since it is divisible by the number (12) 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 1193878512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678561092).

1193878512 is an abundant number, since it is smaller than the sum of its proper divisors (2163243672).

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

1193878512 is a wasteful number, since it uses less digits than its factorization.

1193878512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39518 (or 39509 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 1193878512 is about 34552.5471130567. The cubic root of 1193878512 is about 1060.8485290685.

The spelling of 1193878512 in words is "one billion, one hundred ninety-three million, eight hundred seventy-eight thousand, five hundred twelve".