1021144130 has 16 divisors (see below), whose sum is σ = 1887737400. Its totient is φ = 397418112.

The previous prime is 1021144129. The next prime is 1021144147. The reversal of 1021144130 is 314411201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1020866401 + 277729 = 31951^2 + 527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021144099 and 1021144108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379555 + ... + 1380294.

Almost surely, 2^1021144130 is an apocalyptic number.

1021144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021144130 is a deficient number, since it is larger than the sum of its proper divisors (866593270).

1021144130 is a wasteful number, since it uses less digits than its factorization.

1021144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759893.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1021144130 is about 31955.3458751427. The cubic root of 1021144130 is about 1006.9989438369.

Adding to 1021144130 its reverse (314411201), we get a palindrome (1335555331).

The spelling of 1021144130 in words is "one billion, twenty-one million, one hundred forty-four thousand, one hundred thirty".