1021144102 has 8 divisors (see below), whose sum is σ = 1670963112. Its totient is φ = 464156400.

The previous prime is 1021144099. The next prime is 1021144109. The reversal of 1021144102 is 2014411201.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021144109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23207799 + ... + 23207842.

It is an arithmetic number, because the mean of its divisors is an integer number (208870389).

Almost surely, 2^1021144102 is an apocalyptic number.

1021144102 is a deficient number, since it is larger than the sum of its proper divisors (649819010).

1021144102 is a wasteful number, since it uses less digits than its factorization.

1021144102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46415654.

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

The square root of 1021144102 is about 31955.3454370313. The cubic root of 1021144102 is about 1006.9989346329.

Adding to 1021144102 its reverse (2014411201), we get a palindrome (3035555303).

It can be divided in two parts, 10 and 21144102, that added together give a palindrome (21144112).

The spelling of 1021144102 in words is "one billion, twenty-one million, one hundred forty-four thousand, one hundred two".