121204005383 has 4 divisors (see below), whose sum is σ = 121208402880. Its totient is φ = 121199607888.

The previous prime is 121204005371. The next prime is 121204005389. The reversal of 121204005383 is 383500402121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121204005383 - 2⁴ = 121204005367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121204005389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2157143 + ... + 2212616.

It is an arithmetic number, because the mean of its divisors is an integer number (30302100720).

Almost surely, 2^121204005383 is an apocalyptic number.

121204005383 is a deficient number, since it is larger than the sum of its proper divisors (4397497).

121204005383 is an equidigital number, since it uses as much as digits as its factorization.

121204005383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397496.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 121204005383 in words is "one hundred twenty-one billion, two hundred four million, five thousand, three hundred eighty-three".