109626197 has 2 divisors, whose sum is σ = 109626198. Its totient is φ = 109626196.

The previous prime is 109626191. The next prime is 109626247. The reversal of 109626197 is 791626901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100781521 + 8844676 = 10039^2 + 2974^2 .

It is a cyclic number.

It is not a de Polignac number, because 109626197 - 2⁶ = 109626133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109626191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54813098 + 54813099.

It is an arithmetic number, because the mean of its divisors is an integer number (54813099).

Almost surely, 2^109626197 is an apocalyptic number.

It is an amenable number.

109626197 is a deficient number, since it is larger than the sum of its proper divisors (1).

109626197 is an equidigital number, since it uses as much as digits as its factorization.

109626197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 109626197 is about 10470.2529577847. The cubic root of 109626197 is about 478.5986282094.

The spelling of 109626197 in words is "one hundred nine million, six hundred twenty-six thousand, one hundred ninety-seven".