1024421099 has 4 divisors (see below), whose sum is σ = 1103222736. Its totient is φ = 945619464.

The previous prime is 1024421093. The next prime is 1024421107. The reversal of 1024421099 is 9901244201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9901244201 = 41 ⋅241493761.

It is a cyclic number.

It is not a de Polignac number, because 1024421099 - 2⁸ = 1024420843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024421093) 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, 39400799 + ... + 39400824.

It is an arithmetic number, because the mean of its divisors is an integer number (275805684).

Almost surely, 2^1024421099 is an apocalyptic number.

1024421099 is a deficient number, since it is larger than the sum of its proper divisors (78801637).

1024421099 is an equidigital number, since it uses as much as digits as its factorization.

1024421099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78801636.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1024421099 is about 32006.5789955753. The cubic root of 1024421099 is about 1008.0749854327.

The spelling of 1024421099 in words is "one billion, twenty-four million, four hundred twenty-one thousand, ninety-nine".