1102144122 has 24 divisors (see below), whose sum is σ = 2395769376. Its totient is φ = 366182856.

The previous prime is 1102144117. The next prime is 1102144177. The reversal of 1102144122 is 2214412011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1102144095 and 1102144104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94198 + ... + 105249.

It is an arithmetic number, because the mean of its divisors is an integer number (99823724).

Almost surely, 2^1102144122 is an apocalyptic number.

1102144122 is an abundant number, since it is smaller than the sum of its proper divisors (1293625254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102144122 is a wasteful number, since it uses less digits than its factorization.

1102144122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199762 (or 199759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1102144122 is about 33198.5560228152. The cubic root of 1102144122 is about 1032.9503875723.

Adding to 1102144122 its reverse (2214412011), we get a palindrome (3316556133).

The spelling of 1102144122 in words is "one billion, one hundred two million, one hundred forty-four thousand, one hundred twenty-two".