134120123 has 8 divisors (see below), whose sum is σ = 143048592. Its totient is φ = 125307136.

The previous prime is 134120101. The next prime is 134120171. The reversal of 134120123 is 321021431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134120123 - 2¹⁶ = 134054587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134126123) 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, 26465 + ... + 31122.

It is an arithmetic number, because the mean of its divisors is an integer number (17881074).

Almost surely, 2^134120123 is an apocalyptic number.

134120123 is a deficient number, since it is larger than the sum of its proper divisors (8928469).

134120123 is a wasteful number, since it uses less digits than its factorization.

134120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57741.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 134120123 is about 11581.0242638551. The cubic root of 134120123 is about 511.8758587272.

Adding to 134120123 its reverse (321021431), we get a palindrome (455141554).

The spelling of 134120123 in words is "one hundred thirty-four million, one hundred twenty thousand, one hundred twenty-three".