1022424121 has 4 divisors (see below), whose sum is σ = 1022826532. Its totient is φ = 1022021712.

The previous prime is 1022424119. The next prime is 1022424127. The reversal of 1022424121 is 1214242201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214242201 = 2579 ⋅470819.

It can be written as a sum of positive squares in 2 ways, for example, as 735494400 + 286929721 = 27120^2 + 16939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022424121 - 2¹ = 1022424119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022424127) 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, 197370 + ... + 202483.

It is an arithmetic number, because the mean of its divisors is an integer number (255706633).

Almost surely, 2^1022424121 is an apocalyptic number.

It is an amenable number.

1022424121 is a deficient number, since it is larger than the sum of its proper divisors (402411).

1022424121 is an equidigital number, since it uses as much as digits as its factorization.

1022424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402410.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1022424121 is about 31975.3674099298. The cubic root of 1022424121 is about 1007.4195215534.

Adding to 1022424121 its reverse (1214242201), we get a palindrome (2236666322).

The spelling of 1022424121 in words is "one billion, twenty-two million, four hundred twenty-four thousand, one hundred twenty-one".