1011403424 has 24 divisors (see below), whose sum is σ = 2023847028. Its totient is φ = 497410560.

The previous prime is 1011403417. The next prime is 1011403433. The reversal of 1011403424 is 4243041101.

It can be written as a sum of positive squares in 2 ways, for example, as 828288400 + 183115024 = 28780^2 + 13532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011403396 and 1011403405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257117 + ... + 261020.

Almost surely, 2^1011403424 is an apocalyptic number.

It is an amenable number.

1011403424 is an abundant number, since it is smaller than the sum of its proper divisors (1012443604).

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

1011403424 is an equidigital number, since it uses as much as digits as its factorization.

1011403424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518208 (or 518200 counting only the distinct ones).

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

The square root of 1011403424 is about 31802.5694559418. The cubic root of 1011403424 is about 1003.7867835035.

Adding to 1011403424 its reverse (4243041101), we get a palindrome (5254444525).

The spelling of 1011403424 in words is "one billion, eleven million, four hundred three thousand, four hundred twenty-four".