109851241 has 2 divisors, whose sum is σ = 109851242. Its totient is φ = 109851240.

The previous prime is 109851227. The next prime is 109851281. The reversal of 109851241 is 142158901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104468841 + 5382400 = 10221^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 109851241 - 2⁹ = 109850729 is a prime.

It is not a weakly prime, because it can be changed into another prime (109851281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54925620 + 54925621.

It is an arithmetic number, because the mean of its divisors is an integer number (54925621).

Almost surely, 2^109851241 is an apocalyptic number.

It is an amenable number.

109851241 is a deficient number, since it is larger than the sum of its proper divisors (1).

109851241 is an equidigital number, since it uses as much as digits as its factorization.

109851241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 109851241 is about 10480.9942753538. The cubic root of 109851241 is about 478.9258983206.

The spelling of 109851241 in words is "one hundred nine million, eight hundred fifty-one thousand, two hundred forty-one".