134121001123 has 4 divisors (see below), whose sum is σ = 134252622360. Its totient is φ = 133989379888.

The previous prime is 134121001099. The next prime is 134121001139. The reversal of 134121001123 is 321100121431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134121001123 is a prime.

It is a super-2 number, since 2×134121001123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134121001123.

It is not an unprimeable number, because it can be changed into a prime (134121001163) 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, 65809090 + ... + 65811127.

It is an arithmetic number, because the mean of its divisors is an integer number (33563155590).

Almost surely, 2^134121001123 is an apocalyptic number.

134121001123 is a deficient number, since it is larger than the sum of its proper divisors (131621237).

134121001123 is a wasteful number, since it uses less digits than its factorization.

134121001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131621236.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 134121001123 its reverse (321100121431), we get a palindrome (455221122554).

The spelling of 134121001123 in words is "one hundred thirty-four billion, one hundred twenty-one million, one thousand, one hundred twenty-three".