1239967103 has 2 divisors, whose sum is σ = 1239967104. Its totient is φ = 1239967102.

The previous prime is 1239967087. The next prime is 1239967139. The reversal of 1239967103 is 3017699321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1239967103 - 2⁴ = 1239967087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1239987103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619983551 + 619983552.

It is an arithmetic number, because the mean of its divisors is an integer number (619983552).

Almost surely, 2^1239967103 is an apocalyptic number.

1239967103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1239967103 is an equidigital number, since it uses as much as digits as its factorization.

1239967103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 1239967103 is about 35213.1666142084. The cubic root of 1239967103 is about 1074.3275702419.

The spelling of 1239967103 in words is "one billion, two hundred thirty-nine million, nine hundred sixty-seven thousand, one hundred three".