1213424115 has 16 divisors (see below), whose sum is σ = 1945737888. Its totient is φ = 645739776.

The previous prime is 1213424111. The next prime is 1213424123. The reversal of 1213424115 is 5114243121.

It is not a de Polignac number, because 1213424115 - 2² = 1213424111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213424111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81652 + ... + 95361.

It is an arithmetic number, because the mean of its divisors is an integer number (121608618).

Almost surely, 2^1213424115 is an apocalyptic number.

1213424115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213424115 is a deficient number, since it is larger than the sum of its proper divisors (732313773).

1213424115 is a wasteful number, since it uses less digits than its factorization.

1213424115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177478.

The product of its digits is 960, while the sum is 24.

The square root of 1213424115 is about 34834.2376836353. The cubic root of 1213424115 is about 1066.6064539036.

Adding to 1213424115 its reverse (5114243121), we get a palindrome (6327667236).

The spelling of 1213424115 in words is "one billion, two hundred thirteen million, four hundred twenty-four thousand, one hundred fifteen".