1103639042 has 32 divisors (see below), whose sum is σ = 1823883264. Its totient is φ = 496702800.

The previous prime is 1103639027. The next prime is 1103639057. The reversal of 1103639042 is 2409363011.

It is an interprime number because it is at equal distance from previous prime (1103639027) and next prime (1103639057).

It is a junction number, because it is equal to n+sod(n) for n = 1103638996 and 1103639014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113167 + ... + 1114157.

It is an arithmetic number, because the mean of its divisors is an integer number (56996352).

Almost surely, 2^1103639042 is an apocalyptic number.

1103639042 is a deficient number, since it is larger than the sum of its proper divisors (720244222).

1103639042 is a wasteful number, since it uses less digits than its factorization.

1103639042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1103639042 is about 33221.0632280185. The cubic root of 1103639042 is about 1033.4171990436.

The spelling of 1103639042 in words is "one billion, one hundred three million, six hundred thirty-nine thousand, forty-two".