158132123 has 4 divisors (see below), whose sum is σ = 160359408. Its totient is φ = 155904840.

The previous prime is 158132101. The next prime is 158132129. The reversal of 158132123 is 321231851.

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 158132123 - 2¹² = 158128027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158132092 and 158132101.

It is not an unprimeable number, because it can be changed into a prime (158132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113536 + ... + 1113677.

It is an arithmetic number, because the mean of its divisors is an integer number (40089852).

Almost surely, 2^158132123 is an apocalyptic number.

158132123 is a deficient number, since it is larger than the sum of its proper divisors (2227285).

158132123 is an equidigital number, since it uses as much as digits as its factorization.

158132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227284.

The product of its digits is 1440, while the sum is 26.

The square root of 158132123 is about 12575.0595624832. The cubic root of 158132123 is about 540.7626660585.

Adding to 158132123 its reverse (321231851), we get a palindrome (479363974).

The spelling of 158132123 in words is "one hundred fifty-eight million, one hundred thirty-two thousand, one hundred twenty-three".