1224020430 has 64 divisors (see below), whose sum is σ = 3369369600. Its totient is φ = 315874080.

The previous prime is 1224020411. The next prime is 1224020467. The reversal of 1224020430 is 340204221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64750 + ... + 81489.

It is an arithmetic number, because the mean of its divisors is an integer number (52646400).

Almost surely, 2^1224020430 is an apocalyptic number.

1224020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224020430 is an abundant number, since it is smaller than the sum of its proper divisors (2145349170).

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

1224020430 is a wasteful number, since it uses less digits than its factorization.

1224020430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146286 (or 146280 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1224020430 is about 34986.0033441947. The cubic root of 1224020430 is about 1069.7021997110.

Adding to 1224020430 its reverse (340204221), we get a palindrome (1564224651).

The spelling of 1224020430 in words is "one billion, two hundred twenty-four million, twenty thousand, four hundred thirty".