1939103 has 2 divisors, whose sum is σ = 1939104. Its totient is φ = 1939102.

The previous prime is 1939097. The next prime is 1939109. The reversal of 1939103 is 3019391.

It is a balanced prime because it is at equal distance from previous prime (1939097) and next prime (1939109).

It is an emirp because it is prime and its reverse (3019391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1939103 - 2⁶ = 1939039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1939109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969551 + 969552.

It is an arithmetic number, because the mean of its divisors is an integer number (969552).

2^1939103 is an apocalyptic number.

1939103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939103 is an equidigital number, since it uses as much as digits as its factorization.

1939103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 1939103 is about 1392.5167862543. The cubic root of 1939103 is about 124.7001452723.

The spelling of 1939103 in words is "one million, nine hundred thirty-nine thousand, one hundred three".