1103393947 has 2 divisors, whose sum is σ = 1103393948. Its totient is φ = 1103393946.

The previous prime is 1103393939. The next prime is 1103393953. The reversal of 1103393947 is 7493933011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103393947 - 2³ = 1103393939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103393917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551696973 + 551696974.

It is an arithmetic number, because the mean of its divisors is an integer number (551696974).

Almost surely, 2^1103393947 is an apocalyptic number.

1103393947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103393947 is an equidigital number, since it uses as much as digits as its factorization.

1103393947 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 40.

The square root of 1103393947 is about 33217.3741737664. The cubic root of 1103393947 is about 1033.3406933110.

The spelling of 1103393947 in words is "one billion, one hundred three million, three hundred ninety-three thousand, nine hundred forty-seven".