1216423024 has 10 divisors (see below), whose sum is σ = 2356819640. Its totient is φ = 608211504.

The previous prime is 1216423007. The next prime is 1216423051. The reversal of 1216423024 is 4203246121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1216423024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38013204 + ... + 38013235.

It is an arithmetic number, because the mean of its divisors is an integer number (235681964).

Almost surely, 2^1216423024 is an apocalyptic number.

It is an amenable number.

1216423024 is a deficient number, since it is larger than the sum of its proper divisors (1140396616).

1216423024 is an equidigital number, since it uses as much as digits as its factorization.

1216423024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76026447 (or 76026441 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1216423024 is about 34877.2565434840. The cubic root of 1216423024 is about 1067.4844168428.

Adding to 1216423024 its reverse (4203246121), we get a palindrome (5419669145).

The spelling of 1216423024 in words is "one billion, two hundred sixteen million, four hundred twenty-three thousand, twenty-four".