1102404143 has 4 divisors (see below), whose sum is σ = 1106299848. Its totient is φ = 1098508440.

The previous prime is 1102404137. The next prime is 1102404167. The reversal of 1102404143 is 3414042011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102404143 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 (1102404133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947428 + ... + 1947993.

It is an arithmetic number, because the mean of its divisors is an integer number (276574962).

Almost surely, 2^1102404143 is an apocalyptic number.

1102404143 is a deficient number, since it is larger than the sum of its proper divisors (3895705).

1102404143 is an equidigital number, since it uses as much as digits as its factorization.

1102404143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895704.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1102404143 is about 33202.4719411070. The cubic root of 1102404143 is about 1033.0316133902.

Adding to 1102404143 its reverse (3414042011), we get a palindrome (4516446154).

The spelling of 1102404143 in words is "one billion, one hundred two million, four hundred four thousand, one hundred forty-three".