1103639047 has 8 divisors (see below), whose sum is σ = 1262681600. Its totient is φ = 944941464.

The previous prime is 1103639027. The next prime is 1103639057. The reversal of 1103639047 is 7409363011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103639047 - 2²³ = 1095250439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103639027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79347 + ... + 92212.

It is an arithmetic number, because the mean of its divisors is an integer number (157835200).

Almost surely, 2^1103639047 is an apocalyptic number.

1103639047 is a deficient number, since it is larger than the sum of its proper divisors (159042553).

1103639047 is an equidigital number, since it uses as much as digits as its factorization.

1103639047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172485.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1103639047 is about 33221.0633032719. The cubic root of 1103639047 is about 1033.4172006043.

The spelling of 1103639047 in words is "one billion, one hundred three million, six hundred thirty-nine thousand, forty-seven".