112621321 has 2 divisors, whose sum is σ = 112621322. Its totient is φ = 112621320.

The previous prime is 112621291. The next prime is 112621331. The reversal of 112621321 is 123126211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92371321 + 20250000 = 9611^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 112621321 - 2⁷ = 112621193 is a prime.

It is not a weakly prime, because it can be changed into another prime (112621331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56310660 + 56310661.

It is an arithmetic number, because the mean of its divisors is an integer number (56310661).

Almost surely, 2^112621321 is an apocalyptic number.

It is an amenable number.

112621321 is a deficient number, since it is larger than the sum of its proper divisors (1).

112621321 is an equidigital number, since it uses as much as digits as its factorization.

112621321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 112621321 is about 10612.3193035264. The cubic root of 112621321 is about 482.9181620164.

Adding to 112621321 its reverse (123126211), we get a palindrome (235747532).

The spelling of 112621321 in words is "one hundred twelve million, six hundred twenty-one thousand, three hundred twenty-one".