103978541 has 2 divisors, whose sum is σ = 103978542. Its totient is φ = 103978540.

The previous prime is 103978531. The next prime is 103978559. The reversal of 103978541 is 145879301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100902025 + 3076516 = 10045^2 + 1754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103978541 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103978495 and 103978504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103978531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51989270 + 51989271.

It is an arithmetic number, because the mean of its divisors is an integer number (51989271).

Almost surely, 2^103978541 is an apocalyptic number.

It is an amenable number.

103978541 is a deficient number, since it is larger than the sum of its proper divisors (1).

103978541 is an equidigital number, since it uses as much as digits as its factorization.

103978541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 103978541 is about 10196.9868588716. The cubic root of 103978541 is about 470.2345909019.

The spelling of 103978541 in words is "one hundred three million, nine hundred seventy-eight thousand, five hundred forty-one".