109771201 has 2 divisors, whose sum is σ = 109771202. Its totient is φ = 109771200.

The previous prime is 109771187. The next prime is 109771223. The reversal of 109771201 is 102177901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 3186225 = 10324^2 + 1785^2 .

It is a cyclic number.

It is not a de Polignac number, because 109771201 - 2¹⁷ = 109640129 is a prime.

It is equal to p_6290902 and since 109771201 and 6290902 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109771201.

It is not a weakly prime, because it can be changed into another prime (109771231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54885600 + 54885601.

It is an arithmetic number, because the mean of its divisors is an integer number (54885601).

Almost surely, 2^109771201 is an apocalyptic number.

It is an amenable number.

109771201 is a deficient number, since it is larger than the sum of its proper divisors (1).

109771201 is an equidigital number, since it uses as much as digits as its factorization.

109771201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 109771201 is about 10477.1752395386. The cubic root of 109771201 is about 478.8095514547.

The spelling of 109771201 in words is "one hundred nine million, seven hundred seventy-one thousand, two hundred one".