1234024420 has 24 divisors (see below), whose sum is σ = 2592185400. Its totient is φ = 493469952.

The previous prime is 1234024417. The next prime is 1234024447. The reversal of 1234024420 is 244204321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 895685184 + 338339236 = 29928^2 + 18394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1234024391 and 1234024400.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91896 + ... + 104464.

It is an arithmetic number, because the mean of its divisors is an integer number (108007725).

Almost surely, 2^1234024420 is an apocalyptic number.

1234024420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234024420 is an abundant number, since it is smaller than the sum of its proper divisors (1358160980).

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

1234024420 is a wasteful number, since it uses less digits than its factorization.

1234024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17487 (or 17485 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1234024420 is about 35128.6837214263. The cubic root of 1234024420 is about 1072.6085421812.

Adding to 1234024420 its reverse (244204321), we get a palindrome (1478228741).

The spelling of 1234024420 in words is "one billion, two hundred thirty-four million, twenty-four thousand, four hundred twenty".