1021424101 has 4 divisors (see below), whose sum is σ = 1034353600. Its totient is φ = 1008494604.

The previous prime is 1021424083. The next prime is 1021424111. The reversal of 1021424101 is 1014241201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1014241201 = 22943 ⋅44207.

It is a cyclic number.

It is not a de Polignac number, because 1021424101 - 2¹⁹ = 1020899813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021424111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6464631 + ... + 6464788.

It is an arithmetic number, because the mean of its divisors is an integer number (258588400).

Almost surely, 2^1021424101 is an apocalyptic number.

It is an amenable number.

1021424101 is a deficient number, since it is larger than the sum of its proper divisors (12929499).

1021424101 is an equidigital number, since it uses as much as digits as its factorization.

1021424101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929498.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1021424101 is about 31959.7262347474. The cubic root of 1021424101 is about 1007.0909663474.

Adding to 1021424101 its reverse (1014241201), we get a palindrome (2035665302).

The spelling of 1021424101 in words is "one billion, twenty-one million, four hundred twenty-four thousand, one hundred one".