1197454389121 has 8 divisors (see below), whose sum is σ = 1198920521600. Its totient is φ = 1195988613120.

The previous prime is 1197454389119. The next prime is 1197454389139. The reversal of 1197454389121 is 1219834547911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1197454389121 - 2¹ = 1197454389119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197454389181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6974020 + ... + 7143658.

It is an arithmetic number, because the mean of its divisors is an integer number (149865065200).

Almost surely, 2^{1197454389121} is an apocalyptic number.

It is an amenable number.

1197454389121 is a deficient number, since it is larger than the sum of its proper divisors (1466132479).

1197454389121 is an equidigital number, since it uses as much as digits as its factorization.

1197454389121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178239.

The product of its digits is 2177280, while the sum is 55.

The spelling of 1197454389121 in words is "one trillion, one hundred ninety-seven billion, four hundred fifty-four million, three hundred eighty-nine thousand, one hundred twenty-one".