1196743680 has 352 divisors, whose sum is σ = 4645543680. Its totient is φ = 289751040.

The previous prime is 1196743649. The next prime is 1196743693. The reversal of 1196743680 is 863476911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (352).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1520247 + ... + 1521033.

Almost surely, 2^1196743680 is an apocalyptic number.

1196743680 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 1196743680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2322771840).

1196743680 is an abundant number, since it is smaller than the sum of its proper divisors (3448800000).

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

1196743680 is a wasteful number, since it uses less digits than its factorization.

1196743680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1196743680 is about 34593.9832918963. The cubic root of 1196743680 is about 1061.6964883251.

The spelling of 1196743680 in words is "one billion, one hundred ninety-six million, seven hundred forty-three thousand, six hundred eighty".