121451344435 has 8 divisors (see below), whose sum is σ = 145819938096. Its totient is φ = 97108859040.

The previous prime is 121451344387. The next prime is 121451344457. The reversal of 121451344435 is 534443154121.

It is a happy number.

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

It is not a de Polignac number, because 121451344435 - 2¹⁷ = 121451213363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121451344394 and 121451344403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6516829 + ... + 6535438.

It is an arithmetic number, because the mean of its divisors is an integer number (18227492262).

Almost surely, 2^121451344435 is an apocalyptic number.

121451344435 is a deficient number, since it is larger than the sum of its proper divisors (24368593661).

121451344435 is a wasteful number, since it uses less digits than its factorization.

121451344435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054133.

The product of its digits is 115200, while the sum is 37.

Adding to 121451344435 its reverse (534443154121), we get a palindrome (655894498556).

The spelling of 121451344435 in words is "one hundred twenty-one billion, four hundred fifty-one million, three hundred forty-four thousand, four hundred thirty-five".