1197575121120 has 768 divisors, whose sum is σ = 4729623478272. Its totient is φ = 248394055680.

The previous prime is 1197575121109. The next prime is 1197575121133. The reversal of 1197575121120 is 211215757911.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 543609939 + ... + 543612141.

It is an arithmetic number, because the mean of its divisors is an integer number (6158363904).

Almost surely, 2^{1197575121120} is an apocalyptic number.

1197575121120 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 1197575121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364811739136).

1197575121120 is an abundant number, since it is smaller than the sum of its proper divisors (3532048357152).

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

1197575121120 is a wasteful number, since it uses less digits than its factorization.

1197575121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 42.

The spelling of 1197575121120 in words is "one trillion, one hundred ninety-seven billion, five hundred seventy-five million, one hundred twenty-one thousand, one hundred twenty".