1224139683 has 16 divisors (see below), whose sum is σ = 1758461600. Its totient is φ = 753007104.

The previous prime is 1224139673. The next prime is 1224139691. The reversal of 1224139683 is 3869314221.

It is not a de Polignac number, because 1224139683 - 2¹⁰ = 1224138659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224139633) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 122043 + ... + 131691.

It is an arithmetic number, because the mean of its divisors is an integer number (109903850).

Almost surely, 2^1224139683 is an apocalyptic number.

1224139683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1224139683 is a deficient number, since it is larger than the sum of its proper divisors (534321917).

1224139683 is a wasteful number, since it uses less digits than its factorization.

1224139683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918.

The product of its digits is 62208, while the sum is 39.

The square root of 1224139683 is about 34987.7075985267. The cubic root of 1224139683 is about 1069.7369379803.

The spelling of 1224139683 in words is "one billion, two hundred twenty-four million, one hundred thirty-nine thousand, six hundred eighty-three".