109601761 has 2 divisors, whose sum is σ = 109601762. Its totient is φ = 109601760.

The previous prime is 109601743. The next prime is 109601773. The reversal of 109601761 is 167106901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104673361 + 4928400 = 10231^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 109601761 - 2⁹ = 109601249 is a prime.

It is a super-2 number, since 2×109601761² = 24025092028602242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109601161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54800880 + 54800881.

It is an arithmetic number, because the mean of its divisors is an integer number (54800881).

Almost surely, 2^109601761 is an apocalyptic number.

It is an amenable number.

109601761 is a deficient number, since it is larger than the sum of its proper divisors (1).

109601761 is an equidigital number, since it uses as much as digits as its factorization.

109601761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 109601761 is about 10469.0859677433. The cubic root of 109601761 is about 478.5630652221.

It can be divided in two parts, 10960 and 1761, that added together give a palindrome (12721).

The spelling of 109601761 in words is "one hundred nine million, six hundred one thousand, seven hundred sixty-one".