1021144302 has 12 divisors (see below), whose sum is σ = 2212479360. Its totient is φ = 340381428.

The previous prime is 1021144297. The next prime is 1021144339. The reversal of 1021144302 is 2034411201.

1021144302 is a `hidden beast` number, since 10 + 211 + 443 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56730239 = 1021144302 / (1 + 0 + 2 + 1 + 1 + 4 + 4 + 3 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28365102 + ... + 28365137.

It is an arithmetic number, because the mean of its divisors is an integer number (184373280).

Almost surely, 2^1021144302 is an apocalyptic number.

1021144302 is an abundant number, since it is smaller than the sum of its proper divisors (1191335058).

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

1021144302 is a wasteful number, since it uses less digits than its factorization.

1021144302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56730247 (or 56730244 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1021144302 is about 31955.3485663981. The cubic root of 1021144302 is about 1006.9990003760. Note that the first 3 decimals are identical.

Adding to 1021144302 its reverse (2034411201), we get a palindrome (3055555503).

The spelling of 1021144302 in words is "one billion, twenty-one million, one hundred forty-four thousand, three hundred two".