122738 has 16 divisors (see below), whose sum is σ = 229824. Its totient is φ = 47760.

The previous prime is 122719. The next prime is 122741. The reversal of 122738 is 837221.

It is a Curzon number.

It is an unprimeable number.

122738 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 552.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2¹²²⁷³⁸ is an apocalyptic number.

122738 is a deficient number, since it is larger than the sum of its proper divisors (107086).

122738 is a wasteful number, since it uses less digits than its factorization.

122738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its digits is 672, while the sum is 23.

The square root of 122738 is about 350.3398350174. The cubic root of 122738 is about 49.6965622356.

Adding to 122738 its reverse (837221), we get a palindrome (959959).

The spelling of 122738 in words is "one hundred twenty-two thousand, seven hundred thirty-eight".