121560620326 has 32 divisors (see below), whose sum is σ = 193354838208. Its totient is φ = 57202252800.

The previous prime is 121560620299. The next prime is 121560620329. The reversal of 121560620326 is 623026065121.

It is a junction number, because it is equal to n+sod(n) for n = 121560620291 and 121560620300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121560620329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626776 + ... + 797476.

It is an arithmetic number, because the mean of its divisors is an integer number (6042338694).

Almost surely, 2^121560620326 is an apocalyptic number.

121560620326 is a deficient number, since it is larger than the sum of its proper divisors (71794217882).

121560620326 is a wasteful number, since it uses less digits than its factorization.

121560620326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170976.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 121560620326 its reverse (623026065121), we get a palindrome (744586685447).

The spelling of 121560620326 in words is "one hundred twenty-one billion, five hundred sixty million, six hundred twenty thousand, three hundred twenty-six".