1102202143 has 4 divisors (see below), whose sum is σ = 1259659600. Its totient is φ = 944744688.

The previous prime is 1102202131. The next prime is 1102202149. The reversal of 1102202143 is 3412022011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412022011 = 47 ⋅72596213.

It is a cyclic number.

It is not a de Polignac number, because 1102202143 - 2⁵ = 1102202111 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 (1102202149) 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, 78728718 + ... + 78728731.

It is an arithmetic number, because the mean of its divisors is an integer number (314914900).

Almost surely, 2^1102202143 is an apocalyptic number.

1102202143 is a deficient number, since it is larger than the sum of its proper divisors (157457457).

1102202143 is an equidigital number, since it uses as much as digits as its factorization.

1102202143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157457456.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1102202143 is about 33199.4298595623. The cubic root of 1102202143 is about 1032.9685133816.

Adding to 1102202143 its reverse (3412022011), we get a palindrome (4514224154).

The spelling of 1102202143 in words is "one billion, one hundred two million, two hundred two thousand, one hundred forty-three".