1192794920 has 64 divisors (see below), whose sum is σ = 2834524800. Its totient is φ = 450489600.

The previous prime is 1192794877. The next prime is 1192794929. The reversal of 1192794920 is 294972911.

It is not an unprimeable number, because it can be changed into a prime (1192794929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238445 + ... + 243395.

It is an arithmetic number, because the mean of its divisors is an integer number (44289450).

Almost surely, 2^1192794920 is an apocalyptic number.

1192794920 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 1192794920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417262400).

1192794920 is an abundant number, since it is smaller than the sum of its proper divisors (1641729880).

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

1192794920 is a wasteful number, since it uses less digits than its factorization.

1192794920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1192794920 is about 34536.8632044081. The cubic root of 1192794920 is about 1060.5274816245.

The spelling of 1192794920 in words is "one billion, one hundred ninety-two million, seven hundred ninety-four thousand, nine hundred twenty".