1100103947 has 2 divisors, whose sum is σ = 1100103948. Its totient is φ = 1100103946.

The previous prime is 1100103889. The next prime is 1100103967. The reversal of 1100103947 is 7493010011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100103947 - 2⁸ = 1100103691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100103967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550051973 + 550051974.

It is an arithmetic number, because the mean of its divisors is an integer number (550051974).

Almost surely, 2^1100103947 is an apocalyptic number.

1100103947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100103947 is an equidigital number, since it uses as much as digits as its factorization.

1100103947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1100103947 is about 33167.8149265218. The cubic root of 1100103947 is about 1032.3126303174.

Adding to 1100103947 its reverse (7493010011), we get a palindrome (8593113958).

The spelling of 1100103947 in words is "one billion, one hundred million, one hundred three thousand, nine hundred forty-seven".