122631326 has 4 divisors (see below), whose sum is σ = 183946992. Its totient is φ = 61315662.

The previous prime is 122631317. The next prime is 122631349. The reversal of 122631326 is 623136221.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122631295 and 122631304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30657830 + ... + 30657833.

It is an arithmetic number, because the mean of its divisors is an integer number (45986748).

Almost surely, 2^122631326 is an apocalyptic number.

122631326 is a deficient number, since it is larger than the sum of its proper divisors (61315666).

122631326 is an equidigital number, since it uses as much as digits as its factorization.

122631326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61315665.

The product of its digits is 2592, while the sum is 26.

The square root of 122631326 is about 11073.9029253466. The cubic root of 122631326 is about 496.8216064404.

Adding to 122631326 its reverse (623136221), we get a palindrome (745767547).

The spelling of 122631326 in words is "one hundred twenty-two million, six hundred thirty-one thousand, three hundred twenty-six".