1021214353 has 4 divisors (see below), whose sum is σ = 1044963568. Its totient is φ = 997465140.

The previous prime is 1021214339. The next prime is 1021214357. The reversal of 1021214353 is 3534121201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021214353 - 2¹⁷ = 1021083281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021214357) 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 3 ways as a sum of consecutive naturals, for example, 11874543 + ... + 11874628.

It is an arithmetic number, because the mean of its divisors is an integer number (261240892).

Almost surely, 2^1021214353 is an apocalyptic number.

It is an amenable number.

1021214353 is a deficient number, since it is larger than the sum of its proper divisors (23749215).

1021214353 is an equidigital number, since it uses as much as digits as its factorization.

1021214353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23749214.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1021214353 is about 31956.4446238939. Note that the first 3 decimals coincide. The cubic root of 1021214353 is about 1007.0220267246.

Adding to 1021214353 its reverse (3534121201), we get a palindrome (4555335554).

The spelling of 1021214353 in words is "one billion, twenty-one million, two hundred fourteen thousand, three hundred fifty-three".