134021123 has 4 divisors (see below), whose sum is σ = 134256408. Its totient is φ = 133785840.

The previous prime is 134021101. The next prime is 134021143. The reversal of 134021123 is 321120431.

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 134021123 - 2⁸ = 134020867 is a prime.

It is a super-2 number, since 2×134021123² = 35923322820362258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134021143) 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, 116786 + ... + 117927.

It is an arithmetic number, because the mean of its divisors is an integer number (33564102).

Almost surely, 2^134021123 is an apocalyptic number.

134021123 is a deficient number, since it is larger than the sum of its proper divisors (235285).

134021123 is an equidigital number, since it uses as much as digits as its factorization.

134021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235284.

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

The square root of 134021123 is about 11576.7492414753. The cubic root of 134021123 is about 511.7498816487.

Adding to 134021123 its reverse (321120431), we get a palindrome (455141554).

The spelling of 134021123 in words is "one hundred thirty-four million, twenty-one thousand, one hundred twenty-three".