1021143414 has 16 divisors (see below), whose sum is σ = 2068139520. Its totient is φ = 336072360.

The previous prime is 1021143401. The next prime is 1021143419. The reversal of 1021143414 is 4143411201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021143419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076682 + ... + 1077629.

It is an arithmetic number, because the mean of its divisors is an integer number (129258720).

Almost surely, 2^1021143414 is an apocalyptic number.

1021143414 is an abundant number, since it is smaller than the sum of its proper divisors (1046996106).

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

1021143414 is a wasteful number, since it uses less digits than its factorization.

1021143414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154395.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1021143414 is about 31955.3346720074. The cubic root of 1021143414 is about 1006.9987084763.

Adding to 1021143414 its reverse (4143411201), we get a palindrome (5164554615).

The spelling of 1021143414 in words is "one billion, twenty-one million, one hundred forty-three thousand, four hundred fourteen".