109777201 has 2 divisors, whose sum is σ = 109777202. Its totient is φ = 109777200.

The previous prime is 109777189. The next prime is 109777207. The reversal of 109777201 is 102777901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109746576 + 30625 = 10476^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 109777201 - 2²³ = 101388593 is a prime.

It is not a weakly prime, because it can be changed into another prime (109777207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54888600 + 54888601.

It is an arithmetic number, because the mean of its divisors is an integer number (54888601).

Almost surely, 2^109777201 is an apocalyptic number.

It is an amenable number.

109777201 is a deficient number, since it is larger than the sum of its proper divisors (1).

109777201 is an equidigital number, since it uses as much as digits as its factorization.

109777201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 109777201 is about 10477.4615723466. The cubic root of 109777201 is about 478.8182750694.

The spelling of 109777201 in words is "one hundred nine million, seven hundred seventy-seven thousand, two hundred one".