103698961 has 2 divisors, whose sum is σ = 103698962. Its totient is φ = 103698960.

The previous prime is 103698953. The next prime is 103698977. The reversal of 103698961 is 169896301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66732561 + 36966400 = 8169^2 + 6080^2 .

It is an emirp because it is prime and its reverse (169896301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103698961 - 2³ = 103698953 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (103698911) 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, 51849480 + 51849481.

It is an arithmetic number, because the mean of its divisors is an integer number (51849481).

Almost surely, 2^103698961 is an apocalyptic number.

It is an amenable number.

103698961 is a deficient number, since it is larger than the sum of its proper divisors (1).

103698961 is an equidigital number, since it uses as much as digits as its factorization.

103698961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 103698961 is about 10183.2686795547. The cubic root of 103698961 is about 469.8127532369.

The spelling of 103698961 in words is "one hundred three million, six hundred ninety-eight thousand, nine hundred sixty-one".