1224696028 has 12 divisors (see below), whose sum is σ = 2149695352. Its totient is φ = 610497360.

The previous prime is 1224696023. The next prime is 1224696037. The reversal of 1224696028 is 8206964221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224696023) 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 3 ways as a sum of consecutive naturals, for example, 461175 + ... + 463822.

Almost surely, 2^1224696028 is an apocalyptic number.

It is an amenable number.

1224696028 is a deficient number, since it is larger than the sum of its proper divisors (924999324).

1224696028 is a wasteful number, since it uses less digits than its factorization.

1224696028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925332 (or 925330 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1224696028 is about 34995.6572734389. The cubic root of 1224696028 is about 1069.8989708670.

The spelling of 1224696028 in words is "one billion, two hundred twenty-four million, six hundred ninety-six thousand, twenty-eight".