1102144120 has 64 divisors (see below), whose sum is σ = 3091737600. Its totient is φ = 343524480.

The previous prime is 1102144117. The next prime is 1102144177. The reversal of 1102144120 is 214412011.

It is a happy number.

It is a super-2 number, since 2×1102144120² = 2429443322501148800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102144094 and 1102144103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175840 + ... + 181999.

It is an arithmetic number, because the mean of its divisors is an integer number (48308400).

Almost surely, 2^1102144120 is an apocalyptic number.

1102144120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102144120 is an abundant number, since it is smaller than the sum of its proper divisors (1989593480).

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

1102144120 is a wasteful number, since it uses less digits than its factorization.

1102144120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357868 (or 357864 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1102144120 is about 33198.5559926934. Note that the first 3 decimals coincide. The cubic root of 1102144120 is about 1032.9503869474.

Adding to 1102144120 its reverse (214412011), we get a palindrome (1316556131).

The spelling of 1102144120 in words is "one billion, one hundred two million, one hundred forty-four thousand, one hundred twenty".