1011223424 has 32 divisors (see below), whose sum is σ = 2057421600. Its totient is φ = 494851072.

The previous prime is 1011223387. The next prime is 1011223469. The reversal of 1011223424 is 4243221101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1011223396 and 1011223405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78029 + ... + 90060.

It is an arithmetic number, because the mean of its divisors is an integer number (64294425).

Almost surely, 2^1011223424 is an apocalyptic number.

It is an amenable number.

1011223424 is an abundant number, since it is smaller than the sum of its proper divisors (1046198176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011223424 is an equidigital number, since it uses as much as digits as its factorization.

1011223424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168150 (or 168138 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1011223424 is about 31799.7393700011. The cubic root of 1011223424 is about 1003.7272318164.

Adding to 1011223424 its reverse (4243221101), we get a palindrome (5254444525).

The spelling of 1011223424 in words is "one billion, eleven million, two hundred twenty-three thousand, four hundred twenty-four".