1021440230 has 16 divisors (see below), whose sum is σ = 1848867120. Its totient is φ = 406292832.

The previous prime is 1021440227. The next prime is 1021440263. The reversal of 1021440230 is 320441201.

It is a junction number, because it is equal to n+sod(n) for n = 1021440199 and 1021440208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 283529 + ... + 287108.

It is an arithmetic number, because the mean of its divisors is an integer number (115554195).

Almost surely, 2^1021440230 is an apocalyptic number.

1021440230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021440230 is a deficient number, since it is larger than the sum of its proper divisors (827426890).

1021440230 is a wasteful number, since it uses less digits than its factorization.

1021440230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570823.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1021440230 is about 31959.9785669515. The cubic root of 1021440230 is about 1007.0962672094.

Adding to 1021440230 its reverse (320441201), we get a palindrome (1341881431).

The spelling of 1021440230 in words is "one billion, twenty-one million, four hundred forty thousand, two hundred thirty".