1024421401 has 4 divisors (see below), whose sum is σ = 1024527204. Its totient is φ = 1024315600.

The previous prime is 1024421399. The next prime is 1024421429. The reversal of 1024421401 is 1041244201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 411116176 + 613305225 = 20276^2 + 24765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024421401 - 2¹ = 1024421399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024427401) 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, 36730 + ... + 58291.

It is an arithmetic number, because the mean of its divisors is an integer number (256131801).

Almost surely, 2^1024421401 is an apocalyptic number.

It is an amenable number.

1024421401 is a deficient number, since it is larger than the sum of its proper divisors (105803).

1024421401 is an equidigital number, since it uses as much as digits as its factorization.

1024421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105802.

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

The square root of 1024421401 is about 32006.5837133550. The cubic root of 1024421401 is about 1008.0750844931.

Adding to 1024421401 its reverse (1041244201), we get a palindrome (2065665602).

The spelling of 1024421401 in words is "one billion, twenty-four million, four hundred twenty-one thousand, four hundred one".