121130032123 has 2 divisors, whose sum is σ = 121130032124. Its totient is φ = 121130032122.

The previous prime is 121130032097. The next prime is 121130032129. The reversal of 121130032123 is 321230031121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121130032123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121130032123.

It is not a weakly prime, because it can be changed into another prime (121130032129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565016061 + 60565016062.

It is an arithmetic number, because the mean of its divisors is an integer number (60565016062).

Almost surely, 2^121130032123 is an apocalyptic number.

121130032123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121130032123 is an equidigital number, since it uses as much as digits as its factorization.

121130032123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121130032123 its reverse (321230031121), we get a palindrome (442360063244).

The spelling of 121130032123 in words is "one hundred twenty-one billion, one hundred thirty million, thirty-two thousand, one hundred twenty-three".