121433120455 has 8 divisors (see below), whose sum is σ = 146076030000. Its totient is φ = 96908972736.

The previous prime is 121433120437. The next prime is 121433120467. The reversal of 121433120455 is 554021334121.

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 121433120455 - 2¹³ = 121433112263 is a prime.

It is a congruent number.

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, 29688205 + ... + 29692294.

It is an arithmetic number, because the mean of its divisors is an integer number (18259503750).

Almost surely, 2^121433120455 is an apocalyptic number.

121433120455 is a deficient number, since it is larger than the sum of its proper divisors (24642909545).

121433120455 is an equidigital number, since it uses as much as digits as its factorization.

121433120455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59380913.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 121433120455 its reverse (554021334121), we get a palindrome (675454454576).

The spelling of 121433120455 in words is "one hundred twenty-one billion, four hundred thirty-three million, one hundred twenty thousand, four hundred fifty-five".