1196138020 has 288 divisors, whose sum is σ = 3462528384. Its totient is φ = 341913600.

The previous prime is 1196138011. The next prime is 1196138057. The reversal of 1196138020 is 208316911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11178807 + ... + 11178913.

It is an arithmetic number, because the mean of its divisors is an integer number (12022668).

Almost surely, 2^1196138020 is an apocalyptic number.

1196138020 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 1196138020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731264192).

1196138020 is an abundant number, since it is smaller than the sum of its proper divisors (2266390364).

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

1196138020 is a wasteful number, since it uses less digits than its factorization.

1196138020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1196138020 is about 34585.2283496871. The cubic root of 1196138020 is about 1061.5173534464.

The spelling of 1196138020 in words is "one billion, one hundred ninety-six million, one hundred thirty-eight thousand, twenty".