123134401 has 16 divisors (see below), whose sum is σ = 135334080. Its totient is φ = 111349440.

The previous prime is 123134399. The next prime is 123134411. The reversal of 123134401 is 104431321.

It is a cyclic number.

It is not a de Polignac number, because 123134401 - 2¹ = 123134399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123134411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149571 + ... + 150391.

It is an arithmetic number, because the mean of its divisors is an integer number (8458380).

Almost surely, 2^123134401 is an apocalyptic number.

It is an amenable number.

123134401 is a deficient number, since it is larger than the sum of its proper divisors (12199679).

123134401 is a wasteful number, since it uses less digits than its factorization.

123134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123134401 is about 11096.5941171154. The cubic root of 123134401 is about 497.5000560592.

Adding to 123134401 its reverse (104431321), we get a palindrome (227565722).

The spelling of 123134401 in words is "one hundred twenty-three million, one hundred thirty-four thousand, four hundred one".