1173987197460 has 288 divisors, whose sum is σ = 4462820474112. Its totient is φ = 242680872960.

The previous prime is 1173987197441. The next prime is 1173987197483. The reversal of 1173987197460 is 647917893711.

1173987197460 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 9 + 87 + 1 + 97 + 460 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 2455542 + ... + 2894418.

It is an arithmetic number, because the mean of its divisors is an integer number (15495904424).

Almost surely, 2^{1173987197460} is an apocalyptic number.

1173987197460 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 1173987197460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231410237056).

1173987197460 is an abundant number, since it is smaller than the sum of its proper divisors (3288833276652).

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

1173987197460 is a wasteful number, since it uses less digits than its factorization.

1173987197460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439103 (or 439098 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 63.

The spelling of 1173987197460 in words is "one trillion, one hundred seventy-three billion, nine hundred eighty-seven million, one hundred ninety-seven thousand, four hundred sixty".