109759961 has 2 divisors, whose sum is σ = 109759962. Its totient is φ = 109759960.

The previous prime is 109759957. The next prime is 109759967. The reversal of 109759961 is 169957901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109599961 + 160000 = 10469^2 + 400^2 .

It is an emirp because it is prime and its reverse (169957901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109759961 - 2² = 109759957 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109759967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54879980 + 54879981.

It is an arithmetic number, because the mean of its divisors is an integer number (54879981).

Almost surely, 2^109759961 is an apocalyptic number.

It is an amenable number.

109759961 is a deficient number, since it is larger than the sum of its proper divisors (1).

109759961 is an equidigital number, since it uses as much as digits as its factorization.

109759961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 109759961 is about 10476.6388216832. The cubic root of 109759961 is about 478.7932083611.

The spelling of 109759961 in words is "one hundred nine million, seven hundred fifty-nine thousand, nine hundred sixty-one".