103387939 has 2 divisors, whose sum is σ = 103387940. Its totient is φ = 103387938.

The previous prime is 103387927. The next prime is 103387961. The reversal of 103387939 is 939783301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103387939 - 2⁷ = 103387811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103387895 and 103387904.

It is not a weakly prime, because it can be changed into another prime (103387909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51693969 + 51693970.

It is an arithmetic number, because the mean of its divisors is an integer number (51693970).

Almost surely, 2^103387939 is an apocalyptic number.

103387939 is a deficient number, since it is larger than the sum of its proper divisors (1).

103387939 is an equidigital number, since it uses as much as digits as its factorization.

103387939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 103387939 is about 10167.9859854349. The cubic root of 103387939 is about 469.3425831999.

The spelling of 103387939 in words is "one hundred three million, three hundred eighty-seven thousand, nine hundred thirty-nine".