122838951 has 4 divisors (see below), whose sum is σ = 163785272. Its totient is φ = 81892632.

The previous prime is 122838943. The next prime is 122838973. The reversal of 122838951 is 159838221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159838221 = 3 ⋅53279407.

It is not a de Polignac number, because 122838951 - 2³ = 122838943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122838901) 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, 20473156 + ... + 20473161.

It is an arithmetic number, because the mean of its divisors is an integer number (40946318).

Almost surely, 2^122838951 is an apocalyptic number.

122838951 is a deficient number, since it is larger than the sum of its proper divisors (40946321).

122838951 is an equidigital number, since it uses as much as digits as its factorization.

122838951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40946320.

The product of its digits is 34560, while the sum is 39.

The square root of 122838951 is about 11083.2734785351. The cubic root of 122838951 is about 497.1018350704.

The spelling of 122838951 in words is "one hundred twenty-two million, eight hundred thirty-eight thousand, nine hundred fifty-one".