1194097680 has 320 divisors, whose sum is σ = 4499712000. Its totient is φ = 289751040.

The previous prime is 1194097673. The next prime is 1194097699. The reversal of 1194097680 is 867904911.

It is a happy number.

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

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1137796 + ... + 1138844.

It is an arithmetic number, because the mean of its divisors is an integer number (14061600).

Almost surely, 2^1194097680 is an apocalyptic number.

1194097680 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 1194097680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249856000).

1194097680 is an abundant number, since it is smaller than the sum of its proper divisors (3305614320).

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

1194097680 is a wasteful number, since it uses less digits than its factorization.

1194097680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1194097680 is about 34555.7184847892. The cubic root of 1194097680 is about 1060.9134407051.

The spelling of 1194097680 in words is "one billion, one hundred ninety-four million, ninety-seven thousand, six hundred eighty".