103235861 has 2 divisors, whose sum is σ = 103235862. Its totient is φ = 103235860.

The previous prime is 103235833. The next prime is 103235863. The reversal of 103235861 is 168532301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75082225 + 28153636 = 8665^2 + 5306^2 .

It is a cyclic number.

It is not a de Polignac number, because 103235861 - 2¹⁴ = 103219477 is a prime.

It is a super-2 number, since 2×103235861² = 21315285992822642, which contains 22 as substring.

Together with 103235863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103235863) 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, 51617930 + 51617931.

It is an arithmetic number, because the mean of its divisors is an integer number (51617931).

Almost surely, 2^103235861 is an apocalyptic number.

It is an amenable number.

103235861 is a deficient number, since it is larger than the sum of its proper divisors (1).

103235861 is an equidigital number, since it uses as much as digits as its factorization.

103235861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103235861 is about 10160.5049579241. The cubic root of 103235861 is about 469.1123445223.

The spelling of 103235861 in words is "one hundred three million, two hundred thirty-five thousand, eight hundred sixty-one".