1103002143 has 8 divisors (see below), whose sum is σ = 1557179568. Its totient is φ = 692079744.

The previous prime is 1103002129. The next prime is 1103002169. The reversal of 1103002143 is 3412003011.

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

It is not a de Polignac number, because 1103002143 - 2¹² = 1102998047 is a prime.

It is a super-2 number, since 2×1103002143² = 2433227454925184898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103002123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10813696 + ... + 10813797.

It is an arithmetic number, because the mean of its divisors is an integer number (194647446).

Almost surely, 2^1103002143 is an apocalyptic number.

1103002143 is a deficient number, since it is larger than the sum of its proper divisors (454177425).

1103002143 is a wasteful number, since it uses less digits than its factorization.

1103002143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21627513.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1103002143 is about 33211.4760737911. The cubic root of 1103002143 is about 1033.2183692311.

Adding to 1103002143 its reverse (3412003011), we get a palindrome (4515005154).

The spelling of 1103002143 in words is "one billion, one hundred three million, two thousand, one hundred forty-three".