121402304123 has 8 divisors (see below), whose sum is σ = 121767388992. Its totient is φ = 121037406336.

The previous prime is 121402304117. The next prime is 121402304131. The reversal of 121402304123 is 321403204121.

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 121402304123 - 2⁶ = 121402304059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121402304113) 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, 1312061 + ... + 1401537.

It is an arithmetic number, because the mean of its divisors is an integer number (15220923624).

Almost surely, 2^121402304123 is an apocalyptic number.

121402304123 is a deficient number, since it is larger than the sum of its proper divisors (365084869).

121402304123 is an equidigital number, since it uses as much as digits as its factorization.

121402304123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93541.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121402304123 its reverse (321403204121), we get a palindrome (442805508244).

The spelling of 121402304123 in words is "one hundred twenty-one billion, four hundred two million, three hundred four thousand, one hundred twenty-three".