137123 has 8 divisors (see below), whose sum is σ = 165120. Its totient is φ = 111240.

The previous prime is 137119. The next prime is 137131. The reversal of 137123 is 321731.

137123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 137123 - 2² = 137119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137143) 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, 383 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (20640).

2¹³⁷¹²³ is an apocalyptic number.

137123 is a deficient number, since it is larger than the sum of its proper divisors (27997).

137123 is a wasteful number, since it uses less digits than its factorization.

137123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 126, while the sum is 17.

The square root of 137123 is about 370.3012287314. The cubic root of 137123 is about 51.5667905215.

Adding to 137123 its reverse (321731), we get a palindrome (458854).

The spelling of 137123 in words is "one hundred thirty-seven thousand, one hundred twenty-three".