1197208078724 has 24 divisors (see below), whose sum is σ = 2399655605760. Its totient is φ = 511966437696.

The previous prime is 1197208078723. The next prime is 1197208078783. The reversal of 1197208078724 is 4278708027911.

It is a super-2 number, since 2×1197208078724² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1197208078724.

It is not an unprimeable number, because it can be changed into a prime (1197208078721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46767764 + ... + 46793355.

It is an arithmetic number, because the mean of its divisors is an integer number (99985650240).

Almost surely, 2^{1197208078724} is an apocalyptic number.

1197208078724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1197208078724 is an abundant number, since it is smaller than the sum of its proper divisors (1202447527036).

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

1197208078724 is a wasteful number, since it uses less digits than its factorization.

1197208078724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93561587 (or 93561585 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 1197208078724 in words is "one trillion, one hundred ninety-seven billion, two hundred eight million, seventy-eight thousand, seven hundred twenty-four".