1103639051 has 8 divisors (see below), whose sum is σ = 1142403600. Its totient is φ = 1064921760.

The previous prime is 1103639027. The next prime is 1103639057. The reversal of 1103639051 is 1509363011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1103639051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103639057) 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, 39560 + ... + 61418.

It is an arithmetic number, because the mean of its divisors is an integer number (142800450).

Almost surely, 2^1103639051 is an apocalyptic number.

1103639051 is a deficient number, since it is larger than the sum of its proper divisors (38764549).

1103639051 is a wasteful number, since it uses less digits than its factorization.

1103639051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23629.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1103639051 is about 33221.0633634747. The cubic root of 1103639051 is about 1033.4172018527.

The spelling of 1103639051 in words is "one billion, one hundred three million, six hundred thirty-nine thousand, fifty-one".