1197194880 has 256 divisors, whose sum is σ = 4390536960. Its totient is φ = 271810560.

The previous prime is 1197194879. The next prime is 1197194881. The reversal of 1197194880 is 884917911.

1197194880 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1197194879) and next prime (1197194881).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1197194881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3776482 + ... + 3776798.

It is an arithmetic number, because the mean of its divisors is an integer number (17150535).

Almost surely, 2^1197194880 is an apocalyptic number.

1197194880 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 1197194880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195268480).

1197194880 is an abundant number, since it is smaller than the sum of its proper divisors (3193342080).

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

1197194880 is a wasteful number, since it uses less digits than its factorization.

1197194880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 48.

The square root of 1197194880 is about 34600.5040425714. The cubic root of 1197194880 is about 1061.8298995903.

The spelling of 1197194880 in words is "one billion, one hundred ninety-seven million, one hundred ninety-four thousand, eight hundred eighty".