1197716520924 has 432 divisors, whose sum is σ = 3932944404480. Its totient is φ = 300520281600.

The previous prime is 1197716520887. The next prime is 1197716520941. The reversal of 1197716520924 is 4290256177911.

1197716520924 is a `hidden beast` number, since 1 + 1 + 97 + 7 + 1 + 6 + 520 + 9 + 24 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 929182072 + ... + 929183360.

Almost surely, 2^{1197716520924} is an apocalyptic number.

1197716520924 is a gapful number since it is divisible by the number (14) 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 1197716520924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966472202240).

1197716520924 is an abundant number, since it is smaller than the sum of its proper divisors (2735227883556).

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

1197716520924 is a wasteful number, since it uses less digits than its factorization.

1197716520924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2326 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 1197716520924 in words is "one trillion, one hundred ninety-seven billion, seven hundred sixteen million, five hundred twenty thousand, nine hundred twenty-four".