121454101345 has 8 divisors (see below), whose sum is σ = 145749968064. Its totient is φ = 97159916784.

The previous prime is 121454101343. The next prime is 121454101361. The reversal of 121454101345 is 543101454121.

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 121454101345 - 2¹ = 121454101343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121454101343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255829 + ... + 555298.

It is an arithmetic number, because the mean of its divisors is an integer number (18218746008).

Almost surely, 2^121454101345 is an apocalyptic number.

It is an amenable number.

121454101345 is a deficient number, since it is larger than the sum of its proper divisors (24295866719).

121454101345 is an equidigital number, since it uses as much as digits as its factorization.

121454101345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841079.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 121454101345 its reverse (543101454121), we get a palindrome (664555555466).

The spelling of 121454101345 in words is "one hundred twenty-one billion, four hundred fifty-four million, one hundred one thousand, three hundred forty-five".